$\"\"$

Graph :

Sketch the graph of the function $\"\"$ discontinuous at $\"\"$ and continuous only from left side at $\"\"$ .

$\"\"$ is continuous except at $\"\"$ and $\"\"$ .

The function is not continuous from left and right hand side indicates that the limit of the function does not exist.

$\"\"$ and $\"\"$ .

$\"\"$ is continuous from the left side at $\"\"$ indicates the solid dot at $\"\"$ from left hand side.

$\"\"$ .

$\"\"$

Graph the function $\"\"$ is

$\"\"$ .