$\"\"$

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The function are $\"\"$ , $\"\"$ and $\"\"$ .

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(a) Graph the function $\"\"$ on interval $\"\"$ .

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The value of the function on the interval $\"\"$ is $\"\"$ . $\"\"$ .

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Observe the graph:

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$\"\"$ . $\"\"$

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Graph the function $\"\"$ on interval $\"\"$ .

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The value of the function on the interval $\"\"$ is $\"\"$ . $\"\"$

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Observe the graph:

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$\"\"$ .

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$\"\"$

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Graph the function $\"\"$ .

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The value of the function on the interval $\"\"$ is $\"\"$ . $\"\"$

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Observe the graph: \ \ $\"\"$ . $\"\"$

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(b)

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Graph the functions $\"\"$ , $\"\"$ and $\"\"$ . $\"\"$

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$\"\"$

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(c) $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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Therefore, $\"\"$ .

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$\"\"$

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(a) $\"\"$ , $\"\"$ and $\"\"$ .

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(b) Graph of the functions $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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(c) No. The definite integrals over a given interval may be equal when the functions are not equal.