Question

If f(x)=2x-6 find the value of f(h+9)

Answer 1

`f(h+9)=2h+12`

Explanation:

For this question, we literally plug in (h+9) as x into the equation.

This gives us:
`f(h+9)=2(h+9)-6`

We can distribute the 2 to get:
`f(h+9)=2h+18-6`

Combining like terms we get:
`f(h+9)=2h+12`