$\"\"$

The integral is $\"\"$ .

Let the functions are $\"\"$ and $\"\"$ .

Graph :

(1) Draw the coordinate plane.

(2) Graph the functions $\"\"$ and $\"\"$ on the same graph.

$\"\"$

Observe the garph :

The shaded region is the area represented by the integral.

$\"\"$

Graph :

$\"\"$ .