Question: A balloon, which always remains spherical, has a variable radius. If the radius is increasing at the rate of 3 units/sec then find the rate

A balloon, which always remains spherical, has a variable radius. If

A balloon, which always remains spherical, has a variable radius. If the radius is increasing at the rate of 3 units/sec then find the rate at which its volume is increasing with respect to time when its radius is 12 unitsNote that the volume of the sphere is given by V=4/3 ? r^3A) 48? units^3 / secC) 576 ? units^3 / secD) 1728? units^3 / secB) 144? units^3 / sec

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