Mathematics, 12.03.2020 20:29 Tori122367

Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is V = 4 3 πr3 and its surface area is 4πr2. Determine the rate of change in surface area when r = 20 cm.

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Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is...