Question 2(Multiple Choice Worth 6 points) (04.03 MC) A spherical balloon is being inflated with helium at a rate of 20TI cm3/min. How fast is the balloon's radius changing when the radius is 0.25 cm? 40 cm/min 50 cm/min O 80 cm/min O 100 cm/min Question 3(Multiple Choice Worth 6 points) (04.02 MC) Suppose the rate of change of rainfall, measured in millimeters per second, is represented by the following function, where t is the number of seconds and 0 s t s 10. -12 +8t+1 +57