$\"\"$

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The equation $\"\"$ .

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Rewrite the expression.

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$\"\"$

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Apply logarithm quotient property: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ as a function of $\"\"$ is $\"\"$ .

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$\"\"$

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$\"\"$ .