A graph shows time (weeks) labeled 2 to 8 on the horizontal axis and height (inches) on the vertical axis. A line of orange dots increases from 0 to 9 weeks starting at 2 on the vertical axis.

Question

The graph shows the recorded heights of a plant in a soil experiment. Which statements describe the plant height function? Check all that apply.

The function is linear.
The function is quadratic.
The height increases at a constant rate of change.
The ratio of height and number of weeks is constant.
There is no relationship between height and number of weeks.

Answer 1

The height increases at a constant rate of change.
The ratio of height and number of weeks is constant.