$\"\"$

Graph the function $\"\"$ .

$\"\"$

Graph the function $\"\"$ .

$\"\"$

The functions are $\"\"$ and $\"\"$ .

Observe the graph of the functions.

The both of the functions are not equivalent.

The domain of the function $\"\"$ is $\"\"$ .

The range of the functions are same.

The range of the functions is $\"\"$ .

$\"\"$

The two functions are not equivalent.

The domain of the functions are not equal but the range of the functions are same.