$\"\"$

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The integral is $\"\"$ .

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Let $\"\"$

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$\"\"$ .

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$\"\"$

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

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$\"\"$

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$\"\"$

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Apply integration rule $\"\"$ .

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$\"\"$

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Apply integration rule $\"\"$ .

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$\"\"$

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Back substitute $\"\"$ .

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$\"\"$

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$\"\"$ square units. $\"\"$

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Graph the integral $\"\"$ .

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$\"\"$

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Observe the graph:

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

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$\"\"$

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$\"\"$ square units.