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October 10th, 2011, 05:22 PM  #1 
Member Joined: Aug 2011 From: Alabama Posts: 93 Thanks: 0  Find all values for x where function is differentiable
I am given the function ƒ(x) = ((3x6)^?) + 5 How do I find all of the values of x where the function is differentiable? 
October 10th, 2011, 05:24 PM  #2 
Global Moderator Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4  Re: Find all values for x where function is differentiable
You could start by taking the derivative, and see where that is undefined.

October 10th, 2011, 05:30 PM  #3 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,131 Thanks: 432 Math Focus: Calculus/ODEs  Re: Find all values for x where function is differentiable
We are given: thus: Thus, we find f(x) is not differentiable for: 
October 10th, 2011, 05:36 PM  #4 
Member Joined: Aug 2011 From: Alabama Posts: 93 Thanks: 0  Re: Find all values for x where function is differentiable
Makes perfect sense. Thank you.


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