let g:R->R be a real function defined by rule(adsbygoogle = window.adsbygoogle || []).push({});

g(x) = x^2 if x\in\mathbb{Q} and

g(x) = 0 if x\notin\mathbb{Q}

is g continuous (*on R)?

Many thanks in advance

*thanks for pointing out mistake above.

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# Continuous function?

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