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The depth, d , in inches of the water in a tidal pool, is modeled by the function d=−2x2+12x+7, where x is the number of hours since noon.
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The depth, d , in inches of the water in a tidal pool, is modeled by the function d=−2x2+12x+7, where x is the number of hours since noon.

User Esaruoho
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Answer: 23x

Explanation:

User Rawand Deheliah
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