A.4.2 Practice Problems

The height of water in a bathtub, w, is a function of time, t. Let P represent this function. Height is measured in inches and time in minutes.                 Match each description with a statement in function notation. After 20 minutes, the bathtub is empty.

Check all that apply

The bathtub starts out with no water.

Check all that apply

After 10 minutes, the height of the water is 4 inches.

Check all that apply

The height of the water is 10 inches after 4 minutes.

Check all that apply