Find the domain and range for Graph A. Please help fast!!

The domain of a function gives the possible values of the x-axis
The domain of the function is all real values of
[tex]\text{Domain = (}-\infty,\infty\text{)}[/tex]The Range of the function gives the possible values of the y-axis
[tex]\text{The range is \lbrack-5, }\infty\text{)}[/tex]