Question

For f(x) + 4x + 1 and g(x) = x^2 - 5, find (f+g)(x).

A. x^2 + 4x + 6
B. x^2 + 4x - 4
C. 4x^3 - 4
D. 4x^2 - 19

Answer 1

so (f+g)(x) just means add f(x) with g(x)

(f+g)(x) = 4x+ 1 + x² -5

(f+g)(x) = x² +4x - 4