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

Answer:
2x³ + 2x² -x -10
Step-by-step explanation:
(f+g)(x) = f(x) + g(x) = (x³ -x) +(x³ +2x² -10)
= 2x³ +2x² -x -10 . . . . . collect terms, put in standard form