Is $f (x) = 2 - \frac{2}{x^{6}}$ $f(x) = 2 - 2/x^6$ a function?

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Answer 1 · 2015-06-14T13:27:05

$f (x) = 2 - \frac{2}{x^{6}}$ $f(x) = 2 - 2/x^6$ is a function; although it is not defined for $x = 0$ $x=0$

Every possible value of $x$ $x$ (excluding $x = 0$ $x=0$ , as noted in the answer) generates a single value for $f (x)$ $f(x)$ .

Is f(x)=2−2x6f(x) = 2 - 2/x^6 a function?