$\"\"$

The function is $\"\"$ .

The function $\"\"$ is reciprocal of $\"\"$ .

If the function $\"\"$ is constant, then $\"\"$ is also constant.

If $\"\"$ , then $\"\"$ .

At $\"\"$ and $\"\"$ , $\"\"$ .

If $\"\"$ increases, then $\"\"$ decreases.

If $\"\"$ decreases, then $\"\"$ increases.

The function $\"\"$ , then the $\"\"$ has vertical asymptotes.

Graph the function $\"\"$ :

$\"\"$

Graph:

$\"\"$