$\"\"$

Graph :

Sketch the graph of the function $\"\"$ which is discontinuous but continuous from the right side at $\"\"$ .

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

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

$\"\"$ .

$\"\"$

Graph the function $\"\"$ is

$\"\"$ .