Question

How do you find the inverse of the function `f(x)=1/2x+10`?

Answer 1

I got `f(x)=2x-20`

Explanation:

We isolate `x`:
`1/2x=f(x)-10`
`x=2f(x)-20`
We swap `x` with `f(x)`:
`f(x)=2x-20`