At what rate is the surface area of the tumor decreasing

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Question: Tumor growth for Problem suppose that a tumor in a person's body has a spherical shape and that treatment is causing the radius of the tumor to decrease at a rate of 1 millimeter per month.

At what rate is the surface area of the tumor decreasing when the radius is 3 mm? (Recall that for a sphere, S = 4πr2.)

Reference no: EM131798454

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