Answer :
f(x) = 2 - 2x; g(x) = 6x + 4
(f + g)(x) = f(x) + g(x)
(f + g)(x) = (2 - 2x) + (6x + 4) = 2 - 2x + 6x + 4 = (-2x + 6x) + (2 + 4) = 4x + 6
(f + g)(x) = f(x) + g(x)
(f + g)(x) = (2 - 2x) + (6x + 4) = 2 - 2x + 6x + 4 = (-2x + 6x) + (2 + 4) = 4x + 6