A rectangle initially has width 4 meters and length 8 meters and is expanding so that the area increases at a rate of 9 square meters per hour. If the width increases by 20 centimeters per hour how quickly does the length increase initially?

Question

anonymous · Answer

A = lw

Differentiate implicitly, and you are looking for dl/dt.

anonymous · Answer

i got 36 hbu?

anonymous · Answer

Show all your work.

anonymous · Answer

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