$\"\"$

The expression is $\"\"$ .

Graph the function:

$\"\"$ .

As $\"\"$ tends to 3 from right hand side, then the limit approaches to 1.

$\"\"$

As $\"\"$ tends to 3 from right left side, then the limit approaches to 0.

$\"\"$

Observe the graph:

$\"\"$

The left hand side limit is not equal to right hand side limit.

The function is not continuous at $\"\"$ .

The limit does not exist at $\"\"$ .

$\"\"$

The function is not continuous at $\"\"$ .