Question

V = x4 − 50x2 + 700, where V is expressed in gallons and x is the number of months elapsed. If January corresponds to x = 0, what will the volume of water (in gallons) in the tank be in June?

Answer 1

if Jan =0, that means Jun =5

V= 5^4-50.5^+ 700 ===> V = 40 units³