Question

If f(x)=x^3+x-3 and g(x)= x^2+2x, then what is (f+g)(x)​

Answer 1

option b) x³ + x² + 3x - 3

Explanation:

(f + g)(x) = f(x) + g(x)

= x³ + x - 3 + x² + 2x

= x³ + x² + 3x - 3