August 30th, 2013, 01:42 AM  #1 
Senior Member Joined: Oct 2012 Posts: 460 Thanks: 0  (sin(x)+log(x)+sqrt(x))'
Dear All! Please, can U help me with : Is that the right graph of the first derivative? http://www.wolframalpha.com/input/?i=1% ... efs_*Math Many thanks! 
August 30th, 2013, 05:34 AM  #2 
Math Team Joined: Sep 2007 Posts: 2,409 Thanks: 6  Re: (sin(x)+log(x)+sqrt(x))'
What, exactly, is your question? You surely know, from questions you have posted before, that the derivative of sin(x) is cos(x), the derivative of log(x) is 1/x, and the derivative of . As far as the graph is concerned, calculate those at various values of x to see what happens.


Tags 
logx, sinx, sqrtx 
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