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# Working with Functions Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. Which of these is the function of the following graph?

#### Question 2 2. Which of the following functions corresponds to this graph?

#### Question 3 3. All possible values that you can get out of the function are known as the _____.

#### Question 4 4. Which of the following graphs is NOT a function?

#### Question 5 5. All of the following sets of ordered pairs represent functions, EXCEPT:

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Question 6
6.
Using the function below, evaluate f(10).

f(x) = 2x + 5

#### Question 7 7. What is the inverse function of f(x) = 3(x + 2)?

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Question 8
8.
Find the inverse function of f(*x*) = 1?

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Question 9
9.
What is the inverse function of f(*x*) = *x*/8 + *x* + 2?

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Question 10
10.
For a function f(*x*), what is f - 1 (3 * f(*x*))?

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Question 11
11.
Find f(*x*) if f-1 (*x*) = *x*3 + 2

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Question 12
12.
What is g(f(*x*)) if f(*x*) = g-1 (*x*)?

#### Question 13 13. Evaluate f(x) = √(x), when x = 9.

#### Question 14 14. What is the domain of √(x)?

#### Question 15 15. The amount of money you spend on coffees every month can be calculated as a function of the number of drinks you order every month. What are the independent and dependent variables in this function?

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#### Question 16 16. If the domain of the function f(x) = x^2 is 0 ≤ x, what is the range of f?

#### Question 17 17. Evaluate h(x) = 5x + 1, when x=3.

#### Question 18 18. Which graph below is a function?

#### Question 19 19. Which of the following makes an equation a relation rather than a function?

#### Question 20 20. Given the function below, evaluate g(7).

### Page 5

#### Question 21 21. Which of the following is written in function notation?

#### Question 22 22. Which set of ordered pairs is NOT a function?

#### Question 23 23. The graph of y - x + 10 = - (8 + x) is a _____

#### Question 24 24. The graph for the equation x=10 is a _____

#### Question 25 25. The graph of y = (1 + x)^2 will lie in which quadrants?

### Page 6

#### Question 26 26. The graph of y = x - 2 will pass through which quadrants?

#### Question 27 27. Which of the following is a point on the function y = 3x - 2?

#### Working with Functions Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!