comments on: ap calculus review: related rates - 加拿大vs摩洛哥欧赔 //www.catharsisit.com/hs/ap/ap-calculus-review-related-rates/ act, sat, college admissions, life mon, 26 feb 2018 20:49:26 +0000 hourly 1 by: magoosh test prep expert //www.catharsisit.com/hs/ap/ap-calculus-review-related-rates/#comment-205404 mon, 26 feb 2018 20:49:26 +0000 //www.catharsisit.com/hs/?p=8403#comment-205404 in reply to glen.

hi glen,

great catch! thanks for bringing this to our attention–we changed the equations for the last problem, so it should be correct now 🙂

]]> by: glen //www.catharsisit.com/hs/ap/ap-calculus-review-related-rates/#comment-204473 thu, 11 jan 2018 13:45:55 +0000 //www.catharsisit.com/hs/?p=8403#comment-204473 in part 1 of your last problem you give the surface area as a = 4pi*r^3. it should be a = 4pi*r^2. also in the statement of the problem you have the units for the area as cm/sec though you correct it below to cm^2/sec.

]]> by: magoosh test prep expert //www.catharsisit.com/hs/ap/ap-calculus-review-related-rates/#comment-203675 fri, 10 nov 2017 03:40:12 +0000 //www.catharsisit.com/hs/?p=8403#comment-203675 in reply to william xavier vebert.

hi william,

we are dealing with the volume of a sphere, not the surface area. is this the discrepancy you see?

]]> by: william xavier vebert //www.catharsisit.com/hs/ap/ap-calculus-review-related-rates/#comment-203637 wed, 08 nov 2017 02:38:39 +0000 //www.catharsisit.com/hs/?p=8403#comment-203637 i’m pretty sure you have the surface area of a sphere wrong.

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