$\"\"$

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The function is $\"\"$ .

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The instantaneous rate of change of the graph of $\"\"$ at the point $\"\"$ is the slope $\"\"$ of the tangent line at $\"\"$ given by $\"\"$ , provided the limit exists.

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Consider the point $\"\"$ .

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The slope at the point $\"\"$ is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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The slope of the function $\"\"$ at any point is $\"\"$ .

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$\"\"$

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The slope of the function $\"\"$ at any point is $\"\"$ .