Let g(x) = cos(x/2) - 3x. Let f(x) = 2x + 5. What is g(f(x))?​

Answers

Answer 1

Answer:

f = 2

Explanation:

g(x) = cos(x/2) - 3x=w where w=-3.5 or -1 or -38.5

13– (13/2)-3*13=-3.5 (1st d value of g(x))

-1-(-1/2)-3*(-1)=-1 (the 2nd possible value)

g(x) = cos(x/2) - 3x=-1 where the first x=13 and the 2nd one=-1

where the first x=-1 and the 2nd one=-38.5 (the 3rd value)

g(x) = cos(x/2) - 3x)=0 where cos(x/2=-3.5

g(f(x)) = cos(f(x)/2) - 3 aka 0.5 f(x) = cos(2x+5 aka 7x) (x/2 - 3 =aka -1 );

(2x+5) = 7x by definition but the equation has to be set to 7 to find x)

(7x/2 -6x=0) -7 on both sides

x/2–6x=-7

x/2= 13

26/2=x

x=13 (these values are set up for 2x+5=7.

13-(-7)=-7

13-6+-1=-7

the 2nd x=-1

gfx=cos*2*x i.e cos*2*13 or cos*2*-1

cos*2*13=26

cos*2*(-1)=-1

cos=1

(cos*2*13)=the 1st gfx value=26 basically.

( cos*2*(-13)=-26 (the 2nd gfx value)

cos*2*(-1)=-`1 (the 3rd gfx value)

f=2

hope this helped!


Related Questions

There are thousands of downloadable digital images online that you can use in your presentations. {TRUE or FALSE}
this is for speech

Answers

True hopes this helps!

It should be noted that thousands of downloadable digital images are online for ones presentations.

This statement is true because, digital image serves as picture that is stored on a computer.

It can be been digitized, that is converted into a sequence of numbers that computers can understand and its available online.

Learn more about digital images at;

https://brainly.com/question/24448358

Write a loop that sets newScores to oldScores shifted once left, with element 0 copied to the end. Ex: If oldScores

Answers

Answer:

Explanation:

The following is written in Java. It is a method/function that takes the oldScore as an int input. It turns it into a String, separates all the digits, puts them into an array. Then adds the first digit to the end and removes it from the beginning, thus shifting the entire score one to the left. Then it turns the String variable back into an Integer called finalScore and prints it out.

public static void newScore(int oldScore) {

       ArrayList<Integer> newScore = new ArrayList<>();

       String stringOldScore = String.valueOf(oldScore);

       for (int x = 0; x < stringOldScore.length(); x++) {

           newScore.add(Integer.parseInt(String.valueOf(stringOldScore.charAt(x))));

       }

       newScore.add(newScore.get(0));

       newScore.remove(0);

       String newScoreString = "";

       for (int x:newScore) {

           newScoreString += String.valueOf(x);

       }

       int finalScore = Integer.parseInt(newScoreString);

       System.out.println(finalScore);

   }

Write a function named findmax()that finds and displays the maximum values in a two dimensional array of integers. The array should be declared as a 10 row by 15 column array of integers in main()and populated with random numbers between 0 and 100.

Answers

Answer:

import java.util.*;

public class Main

{

public static void main(String[] args) {

    Random r = new Random();

    int[][] numbers = new int[10][15];

   

    for (int i=0; i<10; i++){

        for (int j=0; j<15; j++){

            numbers[i][j] = new Random().nextInt(101);

        }

    }

   

    for (int i=0; i<10; i++){

        for (int j=0; j<15; j++){

            System.out.print(numbers[i][j] + " ");

        }

        System.out.println();

    }

   

    findmax(numbers);

}

public static void findmax(int[][] numbers){

    int max = numbers[0][0];

   

    for (int i=0; i<10; i++){

        for (int j=0; j<15; j++){

            if(numbers[i][j] > max)

                max = numbers[i][j];

        }

    }

    System.out.println("The max is " + max);

}

}

Explanation:

*The code is in Java.

Create a function called findmax() that takes one parameter, numbers array

Inside the function:

Initialize the max as first number in the array

Create a nested for loop that iterates through the array. Inside the second for loop, check if a number is greater than the max. If it is set it as the new max

When the loop is done, print the max

Inside the main:

Initialize a 2D array called numbers

Create a nested for loop that sets the random numbers to the numbers array. Note that to generate random integers, nextInt() function in the Random class is used

Create another nested for loop that displays the content of the numbers array

Call the findmax() function passing the numbers array as a parameter

Which fixed expense would be most difficult to change if money is needed for car payments? rent electricity cable Internet

Answers

Answer: rent

Explanation: just took the quiz on edge

Answer:

rent

Explanation:

took the quiz

describe at least five ways in which information technology can help studying subjects other than computing​

Answers

Answer:

I'd that IT can help in a great many different fields like

Mathematics, in a manner of solving complex math equations

Statistics, in a manner of creating complex graphs with millions of points

Modeling, in a manner of creating models from scratch, either for cars, personal projects or characters for video games and entertainment

Advertising, in a manner of using IT to create not only the advertisements themselves but also, spreading that advertisement to millions in a single click

Music/Audio, in a manner of creating new sounds and music that wouldn't be able to work in any practical manner

Explanation:

4.5 Lesson Practice edhesive

Answers

Answer:

Count Variable -- When it hits a limt.

using user input -- its true if the user input is the conditional variable needed to end it.

The two ways that one can end a loop are:

Using user input (Option B)- This is used when its true if the user input is the conditional variable  has to to terminate it;Count Variable (Option D) - When it hits a limit.

What is a loop?

In programming, the sequence of events (instruction) that continues to run repeatedly in the same chain is called a loop.

Thus, it is right to state that the two ways that one can end a loop are:

Using user input (Option B)- This is used when its true if the user input is the conditional variable  has to to terminate it;Count Variable (Option D) - When it hits a limit.

Learn more about loops at:
https://brainly.com/question/24052822
#SPJ9

salvado has a flash disk of 1.5GB and wants to store more music files of 950KBs each . How many files will he be able to store on his flash disk?​

Answers

Answer:

Convert 1.5GB to KBs = 1500000kb

1500000kb/950kb ≈ 1579

Explanation:

A flash disk is a storage device. It has enough memory to store large files. In the given question, the flash disk has a memory of 1.5GB and can store 1578.94 music files of 950KBs each.

What is flash disk?

A flash disk is a data storage device that uses flash memory specifically : a small rectangular device which is designed to be plugged directly into a USB port on a computer. It is often used for transferring files from one computer to another computer system.

Flash disks have no mechanical platters or access arms. It is termed "disk" because of the data which are accessed as if they were on a hard drive. The disk storage structure is emulated.

In the given question, the flash disk contains 1.5GB memory and has to store music files of 950KBs each. For determining the number of music files which can be stored in the flash disks, we have to first convert the unit of flash disk from GB to KB:

1GB = 1,000,000 KB

1.5 GB = 1,500,000 KB

size of music file = 950 KB

Number of music files that can be stored = storage in the flash disk ÷ size of the music file

Number of music files = 1500000KB ÷ 950KB

Number of music files = 1578.94

Learn more about Flash disk here:

https://brainly.com/question/1130880

#SPJ2

answer 1 question and get 10 points in return

Answers

Answer:

3

Explanation:

sorry if I'm wrong...it's been a while since I took a coding class.

3 I think... hope this helps!

What missing condition will give you the output shown? numB = 2 while _____: numB = numB + 3 print(numB) Output: 14 numB 10 numB > 12 numB < 10

Answers

Answer:

A. numB < 12

Explanation:

Correct answer edge 2020

Answer: A. numB < 12

Explanation: got it right edgen

typing which capitals and exclamation points in an email is an example of

Answers

it's an example of a poorly written email, it looks like somebody is angry and yelling at you, these types of emails can be described as a poor etiquette.

How did DDE devices have made our daily life easier?

Answers

Answer:

The answer to this question is given below in the explanation section.

Explanation:

DDE (direct data entry) devices are the devices that read data from a source and transfer it directly into the computer. Unlike, other input devices which require physical interaction which requires you to move physically or to do something for an output or feeding data into a computer.  

The DDE devices require no hard work while taking input into the computer as compared to other input devices. These DDE devices made our life very easy. Because these devices take input accurately and there are no chances of human error.

The example of DDE devices are magnetic stripe reader, chip reader, Pin pads, optical mark reader, and barcode reader, etc.

These devices have brought great advantages to human life. Because by using these data entry devices, information can be put into very quickly, more accurate than typing and information of the whole page transferred .very quickly and accurately into the system. These devices are also more secure and can hold lots of data, and the data is protected with the PIN (personal identification number). These are also used in ATM machines, handheld, and entry doors.

Answer:

wait is it a write in answer or a multiple choice?

Explanation:

help me pls difhdifhedioheiofhoidhvoidheiofhioefhioe

Answers

Answer:

thanks for the free points

what is a device driver​

Answers

Answer:

Explanation:

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer. ...

Answer:

a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.[1] A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used.

Explanation:

so i am on a Chromebook with headphones , and I am wondering if you can make it that a tab only play sound on one side of the headphones and other tabs to the other side of the headphones

Answers

No you cannot do that with a single pair of headphones. If you had an dual aux split... you could plug in two pairs of headphones... even if you had two bluetooth pairs I don't think it'd be possible... What do you need to do that for? Maybe I can help find an alternative solution

Write an expression that will print "in high school" if the value of user_grade is between 9 and 12 (inclusive).

Answers

Answer:

C#

if(user_grade >=9 && user_grade <=12)

{

   Console.WriteLine("In Highschool");

}

Python

if user_grade >= 9 & user_grade <= 12:

  print("In Highschool")

Java

if(user_grade >=9 && user_grade <=12)

{

   System.println("In Highschool");

}

Explanation:

Which of these is an adjustment on a power rack-and-pinion steering gear?



A. Cylinder alignment
B. Sector mesh adjustment
C. cross shaft endplay
D. Pinion torque​

Answers

Answer:

a

Explanation:

Given a binary search tree containing N integers, create an AVL tree containing the same values. You should not destroy the original BST in the process. What is the worst case time?

Answers

Answer:

answer : 0 (n log n )

Explanation:

Creating an AVL tree containing the same values and containing N integers and without destroying the original BST in the process, the worst case time will be : 0 ( n log n ) and this is because each insertion will take 0 (log n ) time

The worst case time for a binary search algorithm that contain N integers without destroying the original binary search tree (BST) is [tex]0(NlogN)[/tex]

What is a binary search?

Binary search can be defined as an efficient algorithm that is designed and developed for searching an element from a sorted list of data, especially by using the run-time complexity of [tex]0(logN)[/tex].

Note: N is the total number of elements contained in a list.

In this scenario, the worst case time for this binary search algorithm that contain N integers without destroying the original binary search tree (BST) is given by [tex]0(NlogN)[/tex]

Read more on binary search here: https://brainly.com/question/24268720

list the steps to create a new folder in windows

Answers

Navigate to where you want to create the new folder, and click New Folder. Type the name of your folder, and press Enter. To save a document to the new folder, open the document, and click File > Save As, and then browse to the new folder, and click Save.

Write a program that reads one or more strings from the standard input and outputs the count of vowels, consonants, and digit characters found in the stream.

Answers

Answer:

endinput = "no"

mylist = []

vowel = ['a', 'e', 'i', 'o', 'u']

vowelcount = 0

consonantcount = 0

digitcount = 0

string = " "

number = [ str(i) for i in range(0, 10)]

while endinput == "no":

   inputs = input("Enter string value: ")

   mylist.append(inputs)

   endinput = input("Do you want to end input? ( enter no to continue:  ")

for item in mylist:

   txt = item

   print(txt)

   for i in txt:

       if i == string:

           continue

       elif i in vowel:

           vowelcount +=1

       elif i in number:

           digitcount += 1

       else:

           consonantcount += 1  

print("Vowels: ", vowelcount)

print("Digits: ", digitcount)

print("Consonant: ", consonantcount)

Explanation:

The python program receives one or more strings from the standard input and appends it to a list. The algorithm iterates through the list of string values and counts the number of vowels, consonants, and digits.

Jamal wants to write a program that will find the 10 most common words in Romeo and Juliet. Which of the following constructs will be most helpful?

A. counter module

B. while loop

C. for loop

D. mean module

Answers

Answer:

The answer to this question is given below in the explanation section.

Explanation:

The correct answer to this question is A: counter module.

Counter module in python or Python counter is a container that holds the count of each of the elements present in the container. It is a sub-class available in the dictionary class. Jamal can use this module in Python to write a program that will find the 10 most common words in Romeo and Juliet.

Other options are not correct because:

While loop: while loop only iterates its body until a specific condition is met. For loop is used to iterate to a pre-specified condition and iterate until the condition is reached. While the mean module of Python is used to calculate mean and average.

Online
Activities
Media Literacy
Information
Literacy
Technology
Literacy
Content
(appropriateness,
tone, recipient,
others)
tools (mobile,
computers,
others)
Sending an as platform (text;
electronic
email; messenger,
message
video
message;
voice message:
others)
Getting the latest traditional
(newspaper, tv,
radio, others)
digital (websites,
social media,
others)
news
Content
(appropriateness,
reliability, accuracy,
tone, audience,
others) giving
feedback (reactions,
comments, rate,
others)
knowing how to
use mass
media platforms
(tv, radio, others)
where to access
digital content
navigational skills
Entertainment
Business
Education
sources​

Answers

Answer:

i can't understand what u want to say

The Operating System provides utility software designed to perform specific tasks. What task(s) does it perform? Select all that apply.
A. Establishing an Internet connection
B. Coordinating tasks between programs
C. Configuring peripheral devices
D. Monitoring security

Answers

Answer:

All of the above.

Explanation:

An operating system is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes.

This ultimately implies that, an operating system acts as an interface or intermediary between the computer end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions.

Some examples of an operating system on computers are QNX, Linux, OpenVMS, MacOS, Microsoft windows, IBM, Solaris, VM etc.

Hence, the operating system (OS) provides utility software designed to perform specific tasks. Some of the tasks it performs are;

A. Establishing an Internet connection.

B. Coordinating tasks between programs.

C. Configuring peripheral devices.

D. Monitoring security.

The coding system that has just two characters is called:

a
binary
b
dual.
c
basic.
d
double.

Answers

Answer:

A. Binary

Definition:

Pertaining to a number system that has just two unique digits 0 and 1. - binary code

Answer:

a binary

Explanation:

ascii. an agreed method for paring the alpanumeric characther set with binary repersenations used in computers. binary. Pertaining to a number system that has just two unique digits 0 and 1. binary code.

Write an application that counts the total number of spaces contained in a quote entered by the user.

Answers

Answer:

Explanation:

The following code is written in Java. It asks the user for an input and saves it in a String variable. Then it loops through all the characters in the string and counts the spaces. Finally, it prints the total number of spaces in the String.

public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.println("Enter Line Now:");

       String userInput = in.nextLine();

       int spaceCount = 0;

       for (int x = 0; x < userInput.length(); x++) {

           if (userInput.charAt(x) == ' ') {

               spaceCount++;

           }

       }

       System.out.println(spaceCount);

   }

No variables and only in one lines

Answers

In python 3.8, we can use a simple print statement.

print(('h0 '*3 +'Merry Christmas\n')*2)

Dance dance1 = new Dance("Tango","Hernandos Hideaway");
Dance dance2 = new Dance("Swing","Hound Dog");
System.out.println(dance1.toString());

System.out.println(dance2.toString());

class Dance
{
private String name;
private String song;

public Dance(String name, String s)
{
this.name = name;
song = s;
}

public String toString()
{
return name + " " + song;
}
}
What is printed when the program is executed?


a
null null

null null

b
Hernandos Hideaway null

Hound Dog null

c
null null

Swing Hound Dog

d
Tango Hernados Hideaway

Swing Hound Dog

e
null Hernandos Hideaway

null Hound Dog

Answers

Answer:

The output of the program is (d)

Tango Hernados Hideaway

Swing Hound Dog

Explanation:

Analyzing the given code segment

In class Dance,

A method named dance was defined with an instance of two string variables/values

which are name and song

public Dance(String name, String s)

In the main of the program,

The first line creates an instance of Dance as dance1

dance1 is initialized with the following string values: "Tango","Hernandos Hideaway"

- The first string value "Tango" will be passed into the name variable of the Dance method

- The second string value "Hernandos Hideaway" will be passed into the song variable of the Dance method

Next, another instance of Dance is initialized as dance2

dance2 is initialized with the following string values: "Swing","Hound Dog"

- The first string value "Swing" will be passed into the name variable of the Dance method

- The second string value "Hound Dog" will be passed into the song variable of the Dance method

On line 3 of the main: System.out.println(dance1.toString());

The values of dance1, which are "Tango","Hernandos Hideaway" are printed

On line 4 of the main: System.out.println(dance2.toString());

The values of dance1, which are "Swing","Hound Dog" are printed

Hence, option d answers the question

explain mechanical computer ,electromechanical and electronic computer with example

Answers

Answer:

A mechanical computer uses moving parts to do it’s calculations. Think old style adding machines.Electronic computers use electronic oscillators to generate a clock. The oscillator might include a mechanical element such as a crystal, but the majority of the clock signal is processed in the electrical domain.

Explanation:

An example of a mechanical computer clock is a Swiss watch movement, which needs no electronics. Movement is based upon springs coupled to other mechanical pieces. Swiss watches are high precision mechanical computers that do counting. There are other types of more sophisticated mechanical computers. Research the works of Konrad Zuse and his Z1 mechanical computer.

*Python Coding
2. Driver’s License ExamThe local driver’s license office has asked you to create an application that grades the written portion of thedriver’s license exam. The exam has 20 multiple-choice questions. Hereare the correct answers:1. B 6. A 11. B 16. C2. D 7. B 12. C 17. C3. A 8. A 13. D 18. B4. A 9. C 14. A 19. D5. C 10. D 15. D 20. AYour program should store these correct answers in a list. The program should read thestudent’s answers for each of the 20 questions from a text file and store the answers inanother list. (Create your own text file to test the application.) After the student’s answershave been read from the file, the program should display a message indicating whether thestudent passed or failed the exam. (A student must correctly answer 15 of the 20 questionsto pass the exam.) It should then display the total number of correctly answered questions,the total number of incorrectly answered questions, and a list showing the question numbers of the incorrectly answered questions.

Answers

correct = (["1.B", "6.A", "11.B", "16.C","2.D", "7.B", "12.C", "17.C", "3.A", "8.A", "13.D", "18.B","4.A" ,"9.C", "14.A", "19.D","5.C", "10.D", "15.D", "20.A"])

f = open("MyFile.txt", "r")

user_answers = ([])

count = 0

txt = ""

for x in f.read():

   if x == " " or x == "\n":

       x = ""

       count += 1

   if count == 2 :

       user_answers.append(txt)

       txt = ""

       count = 0

   txt += x

i = 0

cor = 0

wrong = ([])

while i < len(correct):

   if correct[i] == user_answers[i]:

       cor += 1

   else:

       wrong.append(user_answers[i])

   i += 1

questions = ([])

for i in wrong:

   txt = ""

   for w in i:

       if w == ".":

           questions.append(int(txt))

       txt+=w

print("There were {} correct answers".format(cor))

print("There were {} incorrect answers".format(len(questions)))

print("The incorrectly answered questions are {}".format(questions))

f.close()

The file I used for testing looks like:

1. C 6. A 11. B 16. C

2. D 7. B 12. C 17. C

3. A 8. D 13. D 18. D

4. A 9. C 14. A 19. A

5. C 10. D 15. D 20. C

The code only works if there is a new line after 20. C (press enter after that question if a new line isn't already included)

I hope this helps!

Explain what resampling is? in ict (igcse)​

Answers

Answer:

Resampling

Explanation:

This means resizing an image by reducing or increasing the image's number of pixels.

HOPE THIS HELPED

give the one simple program using c++programming language​

Answers

Answer:

the ejedjrjr eenekrr

eueeue

Explanation:

u4rururirw

Other Questions
The New England colonies were established for what general reason?Political purposesReligious freedomGovernmental reasonsSocial networking What are the three angle measures in the triangle shown below plase help ill mark u brilliantRead and analyze the following documents, applying your social studies knowledge and skills to write a short essay of 1 paragraphs in which you: Describe the historical context surrounding these documents Identify and explain the relationship between the events and/or ideas found in these documents (Cause and Effect, or Similarity/Difference, or Turning Point) In a supermarket, bottles of lemonade are on a buy one get one half price offer.The normal price of lemonade is 74p.How much would it cost to get exactly three bottles of lemonade using this offer? please help! i need the answers asap!!! 10 points!!!!! How does Emma Lazarus describe the Colossus of Rhodes? as the mother of exiles as a conqueror as a mighty woman as a sunset gate sove[tex]2x - 5 = 7[/tex] help ill give brainlist (its due in 5 minutes) Which group controlled the economic and political life of the Southern Colonies? guys i need help this um this question is so hard ok ok so the question is oop a flea just jumped on me ok srry the question is 23456+54= what is it i need help What were some specialized jobs that enslaved workers held in Louisiana? Check all that apply. seamstresses blacksmiths teachers housekeepers horse trainers With the alarming rise in psychosocial - r * e problems because of this pandemic and health risks of a sedentary lifestyle , there is a need to stay fit now more than ever. What fitness products and services will you engaged yourself in to combat the health problem ? Explain your choice/s. Hi, I am student of languages and I need know if my answers are correct. Help me Please answer for a and b Solve eight and four eighths minus five and five sixths.(Giving extra points on this one)A) two and twelve forty eighthsB) two and thirty forty eighthsC) three and one fourteenthD) three and twelve fourteenths(Here is an image if needed) : Bromothymol blue (BTB) is a pH indicator that is also used to detect carbon dioxide (CO2). BTB is blue when pH is basic and CO2 is low. BTB is yellow when pH is acidic and CO2 is high. BTB is green when pH is neutral. A group of students are planning to perform an investigation in which they will place either a stalk of the aquatic plant elodea or a snail in a test tube that contains water with a neutral pH of 7 and BTB. The students will also include a test tube that contains elodea and a snail. Observing color change once the tubes have been placed under a growth light for several hours will allow the students to answer which TWO of the following questions?A. Do both elodea and snails require oxygen to survive?B. Does elodea produce oxygen during photosynthesis?C. Do snails respire faster when placed in a tube with elodea?D. Do snails use the CO2 produced by elodea to produce oxygen?E. Does photosynthesis performed by elodea remove CO2 from the water?F. Does cellular respiration occur at a higher rate than photosynthesis in the tube with only elodea?I need 2 answers! Thanks An equation _____ has one solution.neversometimesalways Un aljibe de 12.4 m de profundidad se encuentra totalmente lleno de agua. Cual es la presin en el fundo debido nicamente al peso del agua? Si sabemos que la presin atmosfrica total es de 75 cm de hg en el SI Cual es la presin total en el fondo de la piscina? A recycling center pays $0.10 per aluminum can and $0.05 per plastic bottle. The cheerleading squad wants toraise $500. Why do you think Pam Muoz Ryan titled this chapter Guayabas? esperanza rising chapter 4 PLZZZZZZZZZZZZZZ HELPPPPPPPPPPPP MEEEEEEEEEE