In a certain rectangle, the length of one side is always two inches more than four times the length of the other side. At what rate is the enclosed area decreasing when the shorter side is 3 inches long and is decreasing at a rate of 4 inches/minute?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.7: Applications
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In a certain rectangle, the length of one side is always two inches more than four times the
length of the other side. At what rate is the enclosed area decreasing when the shorter
side is 3 inches long and is decreasing at a rate of 4 inches/minute?
Transcribed Image Text:In a certain rectangle, the length of one side is always two inches more than four times the length of the other side. At what rate is the enclosed area decreasing when the shorter side is 3 inches long and is decreasing at a rate of 4 inches/minute?
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