February 27, 2017

Homework Help: Calculus - another question

Posted by Stuck on Monday, March 22, 2010 at 10:12pm.

"Find the absolute minimum value of the function f(x) = x ln(x)".

I know that one of the critical values is 1 (domain restriction). Am I right?

So I did the derivative, and got 1+ ln(x), but I cannot figure out the critical values, because ln(x) can't equal -1...

Am I doing something wrong??

(Answer is -1/e)

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