A parent is using a garden hose to fill up a small inflatable pool for her young child. The pool has a capacity (can hold a total) of 90 gallons. She turns the water off after 5 minutes, but leaves the hose in the pool for another 3 minutes before putting it away.

1.) In this situation, is the relationship between the gallons of water in the pool and the 8
minutes since the parent started filling the pool a function? Why or why not?

2.) What is the independent variable, the gallons of water in the pool or the number of minutes? Why?

3.) What is the dependent variable, the gallons of water in the pool or the number of minutes? Why?