\"\"

\

The function is \"\".

\

\"\"     (Factors)

\

\"\"                     (Eliminate the conmmon factor)

\

Therefore, the graph of  \"\" is the graph of \"\" with a hole at \"\".

\

Graph:

\

Graph the function \"\".

\

\"\"

\

\"\"

\

Graph of the function \"\" is

\

\"\"