$\"\"$

The function is $\"\"$ .

All possible values of $\"\"$ is the domain of the function.

The function $\"\"$ is a linear function.

There are no rational or radical expressions, so there is nothing that will restrict the domain.

Any real number can be used for $\"\"$ to get a meaningful output.

Thus, the domain of the function $\"\"$ is all real numbers.

$\"\"$

The domain of the function $\"\"$ is all real numbers.