Question

If f(x)=5x^3 and g(x)=x+1, find (f.g)(x)

Answer 1

Answer:

B. 5x^4+5x^3

Step-by-step explanation:

(f.g)(x) = f(x) * g(x)   = 5x^3 * (x+1)

          = 5x^3  * x + 5x^3  * 1

          = 5x^4 + 5x^3