Where r is the radius and h the height.
You're looking for
By using the multiplication rule, you have :
From the text, we know that
So it should give you :
I am having a hard time solving this problem. I have no clue. None whatsover. Thanks in advance for your help.
Volume & Surface Area
The radius of a right circular cone is increasing at a rate of 6 inches per minute, and the height is decreasing at a rate of 4 inches per minute. What are the rates of change of the volume and surface area when radius is 12 inches and height is 36 inches?
in respect of x would be
Check out some rules online if your still a bit confused on it