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# Derivatives and Differentiation of Functions: Rate Change in Radius of a Sphere

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A spherical baloon is being inflated at a rate of 400 cubic cm/min. At what rate is the radius changing when the radius is 25 cm. GIVEN (V=4/3*pi*r^3)

##### Solution Summary

The method of calculating the change of radius of a sphere. The rate of a radius changing when the radius is 25 cm is determined.

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When solving the problems related to changing the rate, we always try to find an equation which describes the relationship between the variables whose rates of change are known and those whose rates are unknown. Here, ...

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