$\"\"$

The function is $\"\"$ .

When $\"\"$ tends to $\"\"$ from the right side, $\"\"$ is a small positive number.

Thus, the function $\"\"$ is a large negative number and $\"\"$ approaches infinity from the right of $\"\"$ .

$\"\"$ .

$\"\"$ decreases without bound as $\"\"$ approaches $\"\"$ from the right.

Verify the limit by using table.

\ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

Therefore, $\"\"$ .

$\"\"$

$\"\"$ .