AP Calculus BC Cha 2 A Determine Average Rates of Change Using Difference Quotients Questions

Practice AP Calculus BC questions on calculating average rates of change from function values over a stated interval with correct units.

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Grass clippings are placed in a bin, where they decompose. For $0 \leq t \leq 30$ , the amount of grass clippings remaining in the bin is modeled by $A(t)=6.687(0.931)^{t}$ , where A(t) is measured in pounds and t is measured in days.

Find the average rate of change of A(t) over the interval $0 \leq t \leq 30$ . Indicate units of measure.

$\frac{A(30)-A(0)}{30-0}=-0.197$ (or -0.196 ) lbs/day

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AP Calculus BC Cha 2 A Determine Average Rates of Change Using Difference Quotients Questions question 1