Question

The Smiths are draining their 25,000 gallon swimming pool. It drains at a rate of 3,000 gallons an hour. Write a function that models the amount of water in the pool after t hours.

Answer 1

you need a linear function.
It starts at (0,25000) and has a slope of -3000

Answer 2

F(t) = -3000t + 25,000.