A spherical snowball is melting so that its radius decreases at a rate of

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

0.2\text{ cm/min}

. At the instant when the radius is

5\text{ cm}

, is the surface area of the snowball increasing or decreasing? Briefly explain your answer.