Question

If f(x) = 3x² -1 and g(x) = x+2, find (f + g)(x).

Answer 1

(f+g)(x) = 3x^2+x+1

Explanation:
It may look hard at first, but all the question is asking you to do is add both of the equations together.

(f+g)(x) = (3x^2-1) + (x+2)
(f+g)(x) = 3x^2+x+1