Question

What is (f + g)(x)?

f(x) = 8x^2 + 16x + 6


g(x) = x^3 − 3x^2 − 9


(f+g)(x) =

Answer 1

x³ + 5x² + 16x - 3

Explanation:

(f+g)(x) is just another way of writing f(x) + g(x).

f(x) + g(x)

8x² + 16x + 6 + x³ - 3x² - 9

x³ + 5x² + 16x - 3