$\"\"$

The function of a curve is $\"\"$ .

Observe the graph:

The region is bounded from $\"\"$ to $\"\"$ .

Area of the region bounded by a function $\"\"$ from $\"\"$ to $\"\"$ is $\"\"$ .

Area of the region bounded by a function $\"\"$ from $\"\"$ to $\"\"$ is $\"\"$

$\"\"$

Apply general power rule of integration: $\"\"$ . $\"\"$

The area of the region is $\"\"$ .

$\"\"$

The area of the region is $\"\"$ .