Question

Help!
At 4:00 AM, there were 700,000 gallons of water remaining in a reservoir. After 4 hours of irrigation, there were 200,000 gallons of water remaining. Write an equation that describes the number of gallons of water as a function of the time the field had been irrigated.

y = -125,000x + 700,000
y = 700,000x
y = -700,000x - 200,000
y = -200,000x + 700,000

Answer 1

y=-700,000x-200,000

Answer 2

Thanks!

Answer 3

no prob