Question

How do you find the domain and range of `f(x)=1/2(x-2)`?

Answer 1

`x in RR`
`f(x) in RR`

Explanation:

We can soon see when graphing the function;
graph{0.5(x-2) [-10, 10, -5, 5]}

Hence as `x in RR` then `f(x)` is always defined
So `x in RR` and `f(x) in RR`