Question
Asked Dec 27, 2019
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The length of a rectangle is increasing at a rate of 3 cm/s and its width is increasing at a rate of 9 cm/s. When the length is
11 cm and the width is 5 cm, how fast is the area of the rectangle increasing?
cm?/s
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The length of a rectangle is increasing at a rate of 3 cm/s and its width is increasing at a rate of 9 cm/s. When the length is 11 cm and the width is 5 cm, how fast is the area of the rectangle increasing? cm?/s

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Expert Answer

Step 1

Consider the given situation,

 

Let the length of the rectangle be ‘l’ and breadth be ‘b’.

Area of rectangle is given as product of length and breadth.

Step 2

To calculate the rate of change of area, we will have to make an equation using the equation ...

Calculus homework question answer, step 2, image 1
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Tagged in

Math

Calculus

Derivative