A spherical balloon is being inflated. Find the rate of increase of the surface area S with respect to the radius r when r = 2 ft. S = 4tr² S'(2) = ft² ft

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
Question
A spherical balloon is being inflated. Find the rate of increase of the surface area S with respect to the radius r when r = 2 ft.
S = = 4πr²
S'(2) =
2|
ft
Transcribed Image Text:A spherical balloon is being inflated. Find the rate of increase of the surface area S with respect to the radius r when r = 2 ft. S = = 4πr² S'(2) = 2| ft
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