Question

Find (f∘g)(x).
f(x)=3x+1
g(x)=5x
Write your answer as a polynomial in simplest form.
(f∘g)(x)=

Answer 1

First, find g(x):
g(x) = 5x

Now substitute g(x) into f(x):
f(g(x)) = 3(5x) + 1

Multiply:
f(g(x)) = 15x + 1

So, (f∘g)(x) = 15x + 1.