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A snowball is melting so that its surface area is decreasing at a rate of 2...

A snowball is melting so that its surface area is decreasing at a rate of 2 cm2/min. Find the rate at which the diameter of the snowball is decreasing when the diameter as 8 cm. The surface area of a sphere has equation. A s = 4πr^2

Use a linear approximation to estimate the value of

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