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April 20, 2014

Homework Help: calculus-derivatives

Posted by mary on Thursday, March 15, 2012 at 3:07pm.

Hello, please help me. I needed to find the derivative of f(x)= x^4 -2x^3 + x +1. I got f'(x)= 4x^3 -6x^2 +1. I would like to figure out the critical numbers so I can figure out where it increases and decreases, but I have no idea how to factor it... Is it even possible?

Thank you for your time.

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