Water flows into (positive rate) or out of (negative rate) a storage tank at a rate…

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

Water flows into (positive rate) or out of (negative rate) a storage tank at a rate modeled by r(t)=2t−10r(t)=2t-10 liters per minute for 0≤t≤80\le t\le 8. Compute the average rate of flow over this interval and state whether, on average, water is entering or leaving the tank.

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