$\"\"$

The integral is $\"\"$ .

Find the area between the graph of the function and the $\"\"$ -axis.

Area of the function is $\"\"$ .

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

Where $\"\"$ is the number of subintervals.

Substitute $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ .

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$ .

$\"\"$

Area of the region is between $\"\"$ and $\"\"$ -axis is $\"\"$ .

$\"\"$

The area is $\"\"$ .