# What is the domain and range for #f(x) = (4-2x) /5#?

##### 1 Answer

Sep 20, 2015

It is a polynomial, so the domain and range are from negative to positive infinity. **There are no #x# values for which #y# is undefined, and vice versa.**

You can write this as:

which means "x and y are in the unbounded domain of negative infinity to positive infinity".

graph{(4 - 2x)/5 [-10, 10, -5, 5]}