Examples of Functions
Example:
Find the range of the function .
Solution:
We have
Put

Thus, the domain is

Now for the range, we have
For

So, the range of the function is
.
Example:
Let . Find the domain and range of
.
Solution:
We have
For

For

Thus, the domain is

Now for the range, we have
For

Thus, the range of the function is 
