Respuesta :

Answer:

Step-by-step explanation:

In order to do f(g(4)), we need to find what g(4) is in order to input it into the function f(x).

g(4) = 2(4) = 8

Now do f(8) because that's the value of g(4)

f(8) = 3(8^2) - 3(8) + 6 = 174