Question

What is (f+g)(x)?

f(x)=x^3 -x
g(x)=x^3 + 2x^2- 10

(f+g)(x)=

Answer 1

2x³ + 2x² -x -10

Explanation:

(f+g)(x) = f(x) + g(x) = (x³ -x) +(x³ +2x² -10)

= 2x³ +2x² -x -10 . . . . . collect terms, put in standard form