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May 28, 2016

Homework Help: math

Posted by Jessica on Thursday, March 7, 2013 at 11:44am.

If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters?
A)62.8 square meters per second
B)25.0 square meters per second
C)31.4 square meters per second
D)6.3 square meters per second
E) None of the above

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