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A spherical balloon with radius r inches has volume defined by the function below. find a function that represents the amount of air required to inflate the balloon from a radius of r inches to a radius of r + 3 inches. (give the answer in terms of π and r.) v(r) = 4/3 pi r^3

User FugueWeb
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The function would be v (r+3)=4/3 π(r+3)^3.
User Martin Wettstein
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