Question

If `f ( x ) = 3x + 4`, what is f (x +2)?

Answer 1

`f(x+2)=3x+10`

Explanation:

`f(x+2) " "`means replace all the `" "xs" "` with `" "(x+2)`

`f(x)=3x+4`

`f(x+2)=3(x+2)+4`

Now simplify

`f(x+2)=3x+6+4`

`f(x+2)=3x+10`