SOLUTION: A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 3 cm per second. Express the surface area of the balloon as a function of time
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Question 976132: A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 3 cm per second. Express the surface area of the balloon as a function of time t (in seconds). If needed you can enter \pi as pi. Recall surface area of a sphere is 4*pi*r^2 .
I tried and i believe i am missing a very important step
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the radius is increasing at a rate of 3 cm per second, then 
. Substitute 
for 
in 
John
My calculator said it, I believe it, that settles it
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