__Questions:__- 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. - This graph is increasing on the interval from
- 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. - This graph is decreasing on the interval from
- Which of the following
**cannot**be an output of this function? - -1
- 0
- 5
- 10
- 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:

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

Reference:

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