$\"\"$

The function is $\"\"$ on $\"\"$ .

The area of the function on $\"\"$ is $\"\"$ .

Graph:

Graph the region between $\"\"$ and $\"\"$ -axis on $\"\"$ . $\"\"$

Observe the graph:

The area of the region approximate $\"\"$ sq-units.

Option (a) is correct.

$\"\"$

Option (a) is correct.