Question

If f(x)=2x and g(x)=x+5, then g(f(x))=

A) 2x+5
B) 2x+10

Answer 1

A. 2x+5

Explanation:

You can solve these by substituting f(x) as the input (or x value) in g(f(x)). This would be putting the 2x in as the "x" in x+5. So 2x+5.