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AP Calculus BC · Unit 4: Contextual Applications of Differentiation

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No calculator A tank amount $\displaystyle A$ is measured in liters and time in minutes. What does $\displaystyle A'(5)=-3$ mean?

AThe tank contains negative 3 liters.BAt minute 5 the amount is decreasing at 3 liters per minute.CExactly 3 liters left during minute 5.DThe amount decreases at 3 liters per minute for all times.

AP Calculus BC · Unit 4: Contextual Applications of Differentiation

No calculator A tank amount A\displaystyle AA is measured in liters and time in minutes. What does A′(5)=−3\displaystyle A'(5)=-3A′(5)=−3 mean?

No calculator A tank amount $\displaystyle A$ is measured in liters and time in minutes. What does $\displaystyle A'(5)=-3$ mean?