The first thing we are going to do to find (g°f)(3), is find (g°f)(x). To do that, we are going to evaluate g(x) at f(x):
(g°f)(x)=
Now, we can evaluate (g°f) at 3:
We can conclude that the correct answer is c. 49
(g°f)(x)=
Now, we can evaluate (g°f) at 3:
We can conclude that the correct answer is c. 49