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A spherical balloon is inflating with helium at a rate of 80x ft³/min. How fast is the balloon's radius increasing at the instant the radius is 2 ft? How fast is the surface area increasing? The balloon's radius is increasing at a rate of ft/min at the instant the radius is 2 ft. (Simplify your answer.)

A spherical balloon is inflating with helium at a rate of 80x ft³/min. How fast is the balloon's radius increasing at the instant the radius is 2 ft? How fast is the surface area increasing? The balloon's radius is increasing at a rate of ft/min at the instant the radius is 2 ft. (Simplify your answer.)

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 14P
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A spherical balloon is inflating with helium at a rate of 80x ft³/min. How fast is the balloon's radius increasing at the instant the radius is 2 ft? How fast is the surface area increasing? The balloon's radius is increasing at a rate of ft/min at the instant the radius is 2 ft. (Simplify your answer.)
Transcribed Image Text:A spherical balloon is inflating with helium at a rate of 80x ft³/min. How fast is the balloon's radius increasing at the instant the radius is 2 ft? How fast is the surface area increasing? The balloon's radius is increasing at a rate of ft/min at the instant the radius is 2 ft. (Simplify your answer.)
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