$\"\"$

The function is $\"\"$ .

Graph the area of region:

$\"\"$ .

The sketch of the function is in the shape of rectangle.

Rectangle has the length is $\"\"$ units and breadth is $\"\"$ units.

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

$\"\"$ = Area of the rectangle.

Area of the rectangle is,

$\"\"$

$\"\"$ square units.

$\"\"$

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