How do you decide whether the relation $y = x^{6}$ $y=x^6$ defines a function?

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Answer 1 · 2015-11-04T18:29:19

It is a function.

An equation is a function if one input has only one output, or one $x$ $x$ guy has only one $y$ $y$ guy.

How do you decide whether the relation y=x6y=x^6 defines a function?