Question

Given that f(x) = 4x + 5 and g(x) = x2 - 2x - 2, find (f + g)(x).

A) (f + g)(x) = x2 + 2x+3
B) (f + g)(x) = x2 + 6x+ 3
C) (f + g)(x) = -x2 + 6x + 7
D) (f + g)(x) = – x2 + 2x - 7

Answer 1

A

Explanation:

You just add the two equations

(4x+5)+(x²-2x-2)

combine like terms

x²+2x+3

A