$\"\"$

The expression is $\"\"$ .

$\"\"$ (Factor the denominator of the rational expression)

The function is undefined for $\"\"$ .

$\"\"$ (Cancel common terms)

$\"\"$ is a vertical asymptote, $\"\"$ represents a hole in the graph.

$\"graph$

$\"\"$

$\"\"$ is a vertical asymptote, $\"\"$ represents a hole in the graph.