$\"\"$

The function is $\"\"$ .

Observe the graph.

$\"\"$ exists for all values of $\"image\"$ except at $\"image\"$ .

As $\"\"$ tends to $\"\"$ from the left hand side, $\"\"$ tends to $\"\"$ .

$\"\"$

As $\"\"$ tends to $\"\"$ from the right hand side, $\"\"$ tends to $\"\"$ .

$\"\"$

Since the left hand limit and right hand limit are not equal, limit does not exist at $\"\"$ $\"\"$ .

$\"\"$

$\"\"$ does not exist.