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Functions: College Precalculus Lesson Plans Chapter Exam

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!

Page 1

Question 1 1. What is the range of the function: g(x) = |x| + 1

Question 2 2.

Use f(x) and g(x) to find f(x) + g(x).

f(x) = -x + 5 and g(x) = 3x + 2

Question 3 3. Which of the following is the inverse function of f(x) = 3x?

Question 4 4. Which of the following statements is true?

Question 5 5. Evaluate.

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Question 6 6. Remembering function notation, we want x to be w. Therefore, if

Question 7 7.

Find the domain of the inverse function of:

f(x) = 1/(x-3)

Question 8 8. What is the domain of the function below?

Question 9 9. The collection of all the outputs of a function is known as the _____.

Question 10 10. Which kind of transformation stretches or shrinks the graph of the function?

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Question 11 11. Which of the following is written in Function Notation?

Question 12 12. When the graph of f(x - 1) + 3 is changed into the graph of f(x + 1) + 3, the graph will shift _____

Question 13 13.

Find f(g(2)) if:

f(x) = x^2

g(x) = x^3

Question 14 14.

Use f(x) and g(x) to find g(x) - f(x).

Here, f(x) = -x + 5 and g(x) = 3x + 2.

Question 15 15.

Find the domain of f(f(x)) if

f(x) = (x+1)/x

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Question 16 16. In the figure shown below, the graph of the yellow function is a translation of the graph of the blue function. If the expression for the blue function is y(x) = b(x), which of the following is the equation of the yellow function?

Question 17 17. Which set of ordered pairs is NOT a function?

Question 18 18.

Find the domain of f(x) + g(x) if

f(x) = 2x and

g(x) = sqrt (x+ 5).

Question 19 19.

Find the inverse function of:

y = 1/x

Question 20 20. Find the FALSE statement.

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Question 21 21. What is the range of the function represented by the graph below?

Question 22 22. Which of the following describes the 'composite' of two functions?

Question 23 23. Which function would NOT pass the horizontal line test?

Question 24 24. Which of the following makes an equation a relation rather than a function?

Question 25 25.

Find the domain of f(g(x)), if:

f(x) = 1/x

g(x) = 1/(x+4)

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Question 26 26.

Find the inverse of the following function:

f(x) = 2x + 1

Question 27 27. Which kind of transformation would change the purple function below into the yellow one?

Question 28 28. Which of the following is the inverse function of f(x) = 2x - 3?

Question 29 29. If f(x) = 5 + 3x and g(x) = 5 - 9x, find f(g(2)).

Question 30 30. The revenue of a company is represented by R(x) and their costs are represented by C(x). What is the profit function R(x) - C(x)?

Functions: College Precalculus Lesson Plans 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!

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