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20. [-/1 Points] DETAILS MY NOTES SCALCET9 3.9.006.MI. ASK YOUR TEACHER PRACTICE AN ER The length of a rectangle is increasing at a rate

20. [-/1 Points] DETAILS MY NOTES SCALCET9 3.9.006.MI. ASK YOUR TEACHER PRACTICE AN ER 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 9 cm and the width is 7 cm, how fast is the area of the rectangle increasing (in cm2/s)? cm/s Need Help? Read It Watch It Master It

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