Q10 calc

Question 10 (1 point) A football shaped snowball melts such that it maintains its shape. Its volume is decreasing at the rate of 96cm / hour. What is the rate of change of its surface area, dSA/dt (in cm2/hour) when r = 2 cm? The formula for the volume of a football is V = 3mr3. The formula for the surface area of a football is SA = 8Tr2. a) -16 b) -72 C) -72TT d) -547 e) -12 f) None of (a) through (e) are correct Oa Ob Od Oe Of