The radius of a sphere increases at a rate of 4m/ sec. Find the rate at which the surface area increases when the radius is 9m. O 72m m² /sec O 144T m² /sec 367 m² /sec O 18™ m² /sec 288t m² / sec

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
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The radius of a sphere increases at a rate of
4m/sec. Find the rate at which the surface area
increases when the radius is 9m.
O 72m m² /sec
O 1447 m² / sec
36т т?/sec
O 18T m²/sec
288T m² / sec
Transcribed Image Text:The radius of a sphere increases at a rate of 4m/sec. Find the rate at which the surface area increases when the radius is 9m. O 72m m² /sec O 1447 m² / sec 36т т?/sec O 18T m²/sec 288T m² / sec
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