Copyright

Dividing Functions: Help & Review 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.

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

f(x) = 1/x

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

Question 2 2. Use the information given to find h(x) / l(x): h(x) = 6x2 and l(x) = 2x5

Question 3 3.

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

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

Question 4 4. Evaluate the following integral.

Question 5 5. Find the domain of f(x)/g(x), if:

Page 2

Question 6 6. 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)?

Question 7 7. Evaluate the following integral. As a hint, you might want to simplify the fraction as shown.

Question 8 8. Use the graph to find f(f(2)).

Question 9 9.

Find f(g(2)) if:

f(x) = x^2

g(x) = x^3

Question 10 10.

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

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

Page 3

Question 11 11.

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

f(x) = 2x and

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

Question 12 12.

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

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

Question 13 13.

Find the domain of the inverse function of:

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

Question 14 14.

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

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

Question 15 15. Using the graph, find f(f(-2)).

Page 4

Question 16 16. Evaluate the following integral.

Question 17 17. Evaluate the following integral.

Question 18 18. Simplify the following integral.

Question 19 19. Which of the following describes the 'composite' of two functions?

Question 20 20.

Find the inverse of the following function:

f(x) = 2x + 1

Dividing Functions: Help & Review 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!

Division: Help & Review  /  Math Courses
Support