I need help with a question. It says:

Graph and state all important points and intervals: y=(lnx)/(x)

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- April 6th 2008, 04:33 PMCenturionMonkeyNeed help with ln and e stuff
I need help with a question. It says:

Graph and state all important points and intervals: y=(lnx)/(x) - April 6th 2008, 05:05 PMTheEmptySet
Well lets start by taking the derivative

So our critical numbers are the zero's of the derivative

The inflection points are given by the 2nd derivative

setting equal to zero we get

This has no Real solutions see graphs below

So the graph will look like the next one

Good luck