Question

What's ƒ(g(4)) if ƒ(x) = 3x2 – 3x + 6 and g(x) = 2x?

Answer 1

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