f(x) = 2x + 6, g(x) = 4x2 Find (f + g)(x).
(f+g)(x) is simply saying add these two problems together.(2x+6) + (4x^2) Parenthesis are now useless, as there is only addition.2x + 6 + 4x^2Reorder, cause it's pretty and familiar4x^2 + 2x + 6We could further simplify2(2x^2 + x + 3)