AP Calculus AB Help

[MrCodeDude]

Use differentials to approximate the change in the volume of a sphere when the radius is increased from 10cm to 10.02 cm.

AP test is on Wednesday, I promise, no more math threads after that..

..until Fall of 2004 😉

 

[Legendary]

Edit: Got it
V = 4/3(pi)r^3
dV/dt = 4(pi)r^2*(dr/dt)
dr/dt = .02

You figure it out.

 

[MrCodeDude]

V = 4/3 pi r^3

 

[MrCodeDude]

Did you get 25.133?

I don't have the answer, but that's what I got.

 

[MrCodeDude]

bump?

 

[PHiuR]

hey i have the ap on weds also.... i havent paid attention at all this year... i barely know how to derive or integrate...so yeah..maybe ill start studying tomorrow + tuesday....you think ill be able to get a 3- or 4? hahah..damn i suck at aschool.. oh well

 

[Goosemaster]

Originally posted by: PHiuR
hey i have the ap on weds also.... i havent paid attention at all this year... i barely know how to derive or integrate...so yeah..maybe ill start studying tomorrow + tuesday....you think ill be able to get a 3- or 4? hahah..damn i suck at aschool.. oh well

llol

 

[Legendary]

Originally posted by: MrCodeDude
Did you get 25.133?

I don't have the answer, but that's what I got.

Yep- that's what I got.