All edges of a cube are expanding at a rate of 8 centimeters per second. (a) How fast is the surface area changing when each edge is 5 centimeters? cm2/sec (b) How fast is the surface area changing when each edge is 11 centimeters? cm2/sec

All edges of a cube are expanding at a rate of 8 centimeters per second. (a) How fast is the surface area changing when each edge is 5 centimeters? cm2/sec (b) How fast is the surface area changing when each edge is 11 centimeters? cm2/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

Chapter12: Quadratic Functions

Section12.6: Solving Problems Involving Quadratic Equations

Problem 1.3E

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All edges of a cube are expanding at a rate of 8 centimeters per second.
(a) How fast is the surface area changing when each edge is 5 centimeters?
cm2/sec
(b) How fast is the surface area changing when each edge is 11 centimeters?
cm2/sec
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