$\"\"$

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The integrals are $\"\"$ and $\"\"$ .

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(a)

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The integral is $\"\"$ .

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Apply Additive interval property $\"\"$ . $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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Apply definition of definite integrals $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(b)

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The integral is $\"\"$ .

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Apply Additive interval property $\"\"$ . $\"\"$

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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Apply definition of definite integrals $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(c)

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The integral is $\"\"$ .

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Apply properties of definite integrals $\"\"$ .

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$\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(d)

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The integral is $\"\"$ .

\

Apply properties of definite integrals $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ .

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(c) $\"\"$ .

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(d) $\"\"$ .