GED Practice

GED Math Review: Nonlinear Functions


Questions:


Directions: Choose or write the answer to each question.
  1. Which of the following scenarios must be represented by a nonlinear function?
    • your job earnings of $60 per week
    • the speed of a bus as it drives around the city
    • the distance a car travels at 50 mph on the highway
    • your height above ground level as you descend a set of stairs

      For questions 2 and 3, refer to the following graph of a nonlinear function.

  2. This graph is increasing on the interval from

  3. Which of the following points represents the minimum
    • (-3, 5)
    • (-1, -2.5)
    • (-2, 0)
    • (1, 5)

      For questions 4 and 5, refer to the following graph of a nonlinear function.

  4. This graph is decreasing on the interval from

  5. Which of the following cannot be an output of this function?
    • -1
    • 0
    • 5
    • 10
  6. Which scenario best describe the nonlinear function graphed below?


    • your dog's weight over time
    • your height when riding a Ferris Wheel over time
    • the volume of water used as a pool is filled over time
    • the temperature of a cup of coffee sitting on the counter over time
answer:

  1. the speed of a bus as it drives around the city
  2. -1
  3. (-1, -2.5)
  4. negative infinity
  5. -1
  6. your height when riding a Ferris Wheel over time






Reference:


Complete Test Preparation for the GED Test 2014 by Steck-Vaughn