NEWrelated_rates

# Diagram a x y variables me independentt

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Unformatted text preview: en saver displays the outline of a 3 cm by 2 cm rectangle and then expands   the rectangle in such a way that the 2 cm side is expanding at the rate of 4 cm/sec   and the propor=ons of the rectangle never change.   How fast is the area of the rectangle increasing when its dimensions are   12 cm by 8 cm?  Diagram:  A  x  y  Variables:                                  =me  •  independent: t  •  dependent: x,  y  and   A                 dimensions       area   Rela%ons among  variables:  • A=xy  • x=(3/2)y  Known:   dy/dt = 4 cm/sec  Unknown: dA/dt  when x=12 and y=8  Diagram:  A  x  y  Variables:          ...
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## This note was uploaded on 12/07/2010 for the course MATH MATH 2A taught by Professor Alessandrapantano during the Fall '10 term at UC Irvine.

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