Step 1:

\

The function is $\"\"$ .

\

The function is continuous for all values of $\"\"$ .

\

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

\

Find $\"\"$ .

\

Graph the function:

\

$\"\"$

\

Observe the graph:

\

As $\"\"$ tends to 4 $\"\"$ approaches to 13.

\

$\"\"$ .

\

Solution:

\

$\"\"$ .

\