An overground pool filled with 80 gallons of water drains at an average rate of 5 gallons per minute. What is the rate of change and initial value of the function that models the amount of water in the pool after it starts draining? a
The rate of change is 80 gallons and the initial value is 5 gallons.
b
The rate of change is 80 gallons and the initial value is -5 gallons.
c
The rate of change is 5 gallons and the initial value is 80 gallons.
d
The rate of change is -5 gallons and the initial value is 80 gallons.