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anonymous
 5 years ago
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 + 2 inches. (Give the answer in terms of π and r.)
V(r) = 4/3 pi r^3
anonymous
 5 years ago
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 + 2 inches. (Give the answer in terms of π and r.) V(r) = 4/3 pi r^3

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watchmath
 5 years ago
Best ResponseYou've already chosen the best response.1The amount of the air needed is exactly \(V(r+2)V(r)\) \((4/3)\pi(r+2)^3(4/3)\pi r^3=(4/3)\pi((r+2)^3r^3)\) \(=(4/3)\pi(6r^2+12r+8)\)
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