The function is 3x-9sin(x), 0<x<pi

I found the derivative which is 3- 9cos(x)

Now how would I find the open intervals of increase and decrease given the domain 0<x<pi as seen above?

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- Nov 5th 2009, 07:16 PMctranIntervals of Increase and Decrease
The function is 3x-9sin(x), 0<x<pi

I found the derivative which is 3- 9cos(x)

Now how would I find the open intervals of increase and decrease given the domain 0<x<pi as seen above? - Nov 5th 2009, 07:34 PMJameson
- Nov 5th 2009, 11:30 PMctran