# How do you find domain and range for # f(x) =abs(2x+1)#?

##### 1 Answer

Jul 2, 2018

See answer below

#### Explanation:

Given:

To find the domain and range analytically, you would need to know that an absolute value only allows positive values for the output.

Any

The domain is the valid inputs:

The range is the valid outputs:

You can also find the domain and range by graphing the function and seeing that there are no negative

graph{abs(2x+1) [-5, 5, -5, 5]}