A spherical party balloon is being inflated by helium pumped in at a rate 3 cubic feet per minute. How fast is the radius growing at the instant when the radius has reached 1 foot? The volume of a sphere of radius r is .
A)0.64 feet per minute
B)0.72 feet per minute
C)0.76 feet per minute
D)0.14 feet per minute
E)0.24 feet per minute

Question

A spherical party balloon is being inflated by helium pumped in at a rate 3 cubic feet per minute. How fast is the radius growing at the instant when the radius has reached 1 foot? The volume of a sphere of radius r is  .
A)0.64 feet per minute 
B)0.72 feet per minute 
C)0.76 feet per minute 
D)0.14 feet per minute 
E)0.24 feet per minute

Quizplus · Accepted Answer

The Answer of A spherical party balloon is being inflated by helium pumped in at a rate 3 cubic feet per minute. How fast is the radius growing at the instant when the radius has reached 1 foot? The volume of a sphere of radius r is  .
A)0.64 feet per minute 
B)0.72 feet per minute 
C)0.76 feet per minute 
D)0.14 feet per minute 
E)0.24 feet per minute

A Spherical Party Balloon Is Being Inflated by Helium Pumped