Respuesta :

Answer:

9x^4 - 8x^3

Step-by-step explanation:

f(x) = 9x - 8

g(x) = x^3

(g*f) implies that the function of f and g are multiplied by each other

(9x - 8) * (x^3)

9x^4 - 8x^3

Our answer is 9x^4 - 8x^3