Two parallel sides of a rectangle are lengthened at a rate of 3 cm/sec, while the other sides are shortened, so that the figure always remains a rectangle with an area of 60cm^2, The rate of change of the perimeter of this rectangle in cm/sec, when the length of the side that increases is 3 cm, it corresponds to: O a) -34 Ob) -18 FAst! Oc) -38 O d) -14

Two parallel sides of a rectangle are lengthened at a rate of 3 cm/sec, while the other sides are shortened, so that the figure always remains a rectangle with an area of 60cm^2, The rate of change of the perimeter of this rectangle in cm/sec, when the length of the side that increases is 3 cm, it corresponds to: O a) -34 Ob) -18 FAst! Oc) -38 O d) -14

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.1: Prisms, Area And Volume

Problem 27E: The box with dimensions indicated is to be constructed of materials that cost 1 cent per square inch...

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