Question

Using ƒ(x) = 2x + 7 and g(x) = x − 3, find ƒ(g(x))

Answer 1

Answer: 2x+1

Explanation:

For this problem it states f(g(x)). This is asking for f(x) when x=g(x). All we have to do is plug in g(x) in any place we see x in f(x).

2(x-3)+7

2x-6+7

2x+1