Step 1:

The integral is $\"\"$

Let $\"\"$

$\"\"$ .

$\"\"$

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

$\"\"$

Apply integration rule $\"\"$ .

$\"\"$

Apply integration rule $\"\"$ .

$\"\"$

Back substitute $\"\"$ .

$\"\"$

$\"\"$ square units.

Graph the integral $\"\"$ .

$\"\"$

Observe the graph:

The integral $\"\"$ is equal to $\"\"$ square units.

Solution:

$\"\"$ square units.