Question

If f(x)=5x3 and g(x) = 2x+1 find (f+g)(x). Help please

Answer 1

5x^3 +2x -1

Explanation:

f(x)=5x^3-2 and g(x) = 2x+1

(f+g)(x) = 5x^3-2 + 2x+1

Combine like terms

= 5x^3 +2x -1