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Physiology. A normal seated adult inhales and exhales about 0.8 liter of air every 4 seconds. The volume of air V(t) in the lungs t seconds after exhaling is given approximately by
(A) What is the rate of flow of air t seconds after exhaling?
(B) What is the rate of flow of air 3 seconds after exhaling? 4 seconds after exhaling? 5 seconds after exhaling?
(C) Find all
(D) Find the absolute maximum and minimum for 0
(E) Repeat part (C), using a graphing calculator.
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