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Worksheet

Review of Functions

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Show your work for each problem.

  1. 1.
    If , what is ?
    1. a)10
    2. b)12
    3. c)9
    4. d)14
  2. 2.
    If , find .
  3. 3.
    Which graph passes the vertical line test?
    1. a)A horizontal parabola
    2. b)A circle
    3. c)A parabola opening upward
    4. d)A figure-eight
  4. 4.
    If , find .
  5. 5.
    If , find .
  6. 6.
    What is the domain of ?
    1. a)
    2. b)
    3. c)
    4. d)All real numbers
  7. 7.
    Given and , find .
  8. 8.
    Given and , find .
  9. 9.
    Given and , find .
  10. 10.
    If , what value is NOT in the domain?
    1. a)
    2. b)
    3. c)
    4. d)
  11. 11.
    Given and , find .
  12. 12.
    Evaluate the piecewise function at :
  13. 13.
    What is the range of ?
    1. a)All real numbers
    2. b)
    3. c)
    4. d)
  14. 14.
    Given and , find .
  15. 15.
    If and , find .
  16. 16.
    Find the domain of .
  17. 17.
    If and , which expression equals ?
    1. a)
    2. b)
    3. c)
    4. d)
  18. 18.
    If , find .
Interactive lesson with step-by-step solutions and more practice (free): mathorio.com/en/learn/pre-calculus/functions/review-of-functions