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**mathland****Banned**- Registered: 2021-03-25
- Posts: 438

The volume V of the right circular cylinder of

height 5 meters and radius r meters is given to be

V = V(r) = 5πr^2. Find the instantaneous rate of change of the

volume with respect to the radius when r = 3 meters.

I need the set up. Thanks.

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 9,128

I think this will have to be calculus. The other posts are an easier start so let's get them sorted first, then I'll show you this more complicated case.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**mathland****Banned**- Registered: 2021-03-25
- Posts: 438

Bob wrote:

I think this will have to be calculus. The other posts are an easier start so let's get them sorted first, then I'll show you this more complicated case.

Bob

Ok. Sounds good.

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