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April 18, 2014

April 18, 2014

Posted by **Magnus** on Thursday, March 19, 2009 at 2:35pm.

There are 3 intervals (-inf,A], [A,B], [B, inf) where A and B are critical points.

Find A and B?

For each of the intervals is it decreasing or increasing??

I found the derivative which is -6x^2+90x-300

-6(x^2-15x +50)

(x-5)(x-10) so I thought the critical points would be 5 and 10 but thats not what my book says??

- calculus -
**Magnus**, Thursday, March 19, 2009 at 2:50pmNevermind I got it!

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