D 1. Find (f + g)(x) if f(x) =
4x^2– 5x + 8 and g(x) = 2x^2 + x - 2.

1- (f+g)(x) = 2x^2 + 6x - 10
2- (f+g)(x) = 6x^2 + 4x - 6
3- (f +9)() = 6x^2 - 4x + 6
4- (f+g)(x) = 2x^2- 6x + 10