Question

Initially a pool contains 350 gallons of water. A hose is placed in the pool and the water is turned on. The hose adds 5.2 gallons of water per minute. Model the total amount, V, of water in the pool for x, the number of minutes the hose has been on.

Answer 1

The answer is D

Explanation:

Answer 2

amount in pool=current amount+amount added
amount added=amount added per 1 unit of time times how many units of time

how many units of time=x
amount added per 1 unit of time=5.2 gallons
amount added=5.2x
currrent amount=350
V=350+5.2x