Question: Problems 107116. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections,

Problems 107–116. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus.

Determine the interval on which f (x) = −6x2 − 19x + 7 is decreasing.

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