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Suppose that the amount of air in a balloon after t hours is given by V(t) = t3 − 5t2 + 30

Estimate the instantaneous rate of change of the volume after 4 hours.
A) −4
B) 2
C) 8
D) 14
E) 20

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Answers: 2

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Suppose that the amount of air in a balloon after t hours is given by V(t) = t3 − 5t2 + 30
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