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Home > CALC > Chapter 8 > Lesson 8.3.2 > Problem 8-113

8-113.

The length of a rectangle is increasing at a rate of 6 cm/s and its width is increasing at a rate of 2 cm/s. When the length is 30 cm and the width is 15 cm how fast is the area of the rectangle increasing? Homework Help ✎

A = lw

Implicitly differentiate the Area function with respect to time.