October 20th, 2011, 03:11 AM  #1 
Newbie Joined: Sep 2011 Posts: 3 Thanks: 0  Convex function
Is the following statement true? A function f is convex iff f''(x) > 0 Thanks 
October 20th, 2011, 08:04 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,574 Thanks: 931 Math Focus: Elementary mathematics and beyond  Re: Convex function 

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