If I'm asked to graph this function: [tex]y=\frac{1}{x^{-1}}[/tex](adsbygoogle = window.adsbygoogle || []).push({});

Is x=0 undefined? Obviously by the rule of powers, this equation is the same as y=x, but I'm unsure if the point (0,0) exists in this equation or not.

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# Is this undefined?

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