Question

Given f(x) = 3x − 10 and g(x) = 12x + 8, solve for (f + g)(x) and select the correct answer below.
(f + g)(x) = 15x − 2
(f + g)(x) = 9x − 2
(f + g)(x) = 15x + 2
(f + g)(x) = 36x2 − 120x

Answer 1

put a plus sign between them
then combine like terms

Answer 2

C?