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Posted by **Ethan** on Wednesday, September 28, 2011 at 12:18am.

assuming that a quantity y changes at a rate of y' = xsinx, find by how much it will increase or decrease over 3pi/2 <= x <= 2pi

- Please Help!!! -
**bobpursley**, Wednesday, September 28, 2011 at 9:36ammin y'=-3PI/2 at 3PI/2

max y'=0 at 2PI

I am not really certain of the point of your question

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