3. The area of a circular inkblot starts from zero and grows at a constant rate of 4n cm/minute. Findthe rate at which the radius is increasing when the radius is 1 cm.

Use the derivative and formula for area of circle.

Answered: 3. The area of a circular inkblot…

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

Chapter12: Quadratic Functions

Section12.6: Solving Problems Involving Quadratic Equations

Problem 1.3E

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3. The area of a circular inkblot starts from zero and grows at a constant rate of 4n cm/minute. Find the rate at which the radius is increasing when the radius is 1 cm.