SAT Math

A window repair specialist charges $220 for the first two hours of repair plus an hour fee for each additional hour. The total cost for 5 hours of repair is $400. Which function f gives the total cost, in dollars for x hours of repair, where x ≥ 2?

A) f(x) = 60x + 100
B) f(x) = 60x + 220
C) f(x) = 80x
D) 80x + 220