Question

How do you find f(g(5)) given `f(x)=4x+3` and `g(x)=x-2`?

Answer 1

`f(g(5))=15`

Explanation:

`f(x)=4x+3`
`g(x)=x-2`
`f(g(x))=f(x-2)=4(x-2)+3=4x-8+3=4x-5`
`f(g(5))=4*5-5=20-5=15`