$\"\"$

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

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$\"\"$

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(b) At what times $\"\"$ will the graph of $\"\"$ touch the graph of $\"\"$ and $\"\"$ . $\"\"$

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On the interval $\"\"$ , the graph of $\"\"$ touches the graph of $\"\"$ when $\"\"$ .

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The graph of $\"\"$ touches the graph of $\"\"$ when $\"\"$ . $\"\"$

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(c) When will the voltage $\"\"$ be between $\"\"$ and $\"\"$ volt on interval $\"\"$ . $\"\"$

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Observe the graph:

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The voltage $\"\"$ between $\"\"$ and $\"\"$ volts on interval $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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(a) Graph of the function $\"\"$ on interval $\"\"$ :

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$\"\"$

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(b) On the interval $\"\"$ , the graph of $\"\"$ touches the graph of $\"\"$ when $\"\"$ .

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The graph of $\"\"$ touches the graph of $\"\"$ when $\"\"$ .

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(c) The voltage $\"\"$ between $\"\"$ and $\"\"$ volts on interval $\"\"$ , $\"\"$ and $\"\"$ .