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 March 7th, 2019, 07:44 AM #1 Senior Member   Joined: Dec 2015 From: somewhere Posts: 511 Thanks: 79 Exponential function Just graphed the function $\displaystyle f(x)=x^x$ using a graphing calculator . Does the function makes sense for $\displaystyle x=-1$ ? By the graphing calculator the negative values of x are not included. For x=-1 , f(x)=-1 . Why negative values are avoided ?
 March 7th, 2019, 08:34 AM #2 Math Team     Joined: Jul 2011 From: Texas Posts: 2,924 Thanks: 1521 link ... All about the function x^x Thanks from topsquark and idontknow

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