answer to this one is b
Step-by-step explanation:
Answer:
Answer: d 12x^3 + 3
This is a composite function. Just insert g(x) into the x of f(x)
f(x) = 3x
3(4x^2 + 1)
Distribute the three
12x^3 + 3
x = 81/4
825
hope it helps.good day
