fun-lim

Question: If $f(x) = \begin{cases} x, \text{if x is rational }\\ - x,\text{if x is irrational} \end{cases}$, then $\underset{x\to 0}{\mathop{\lim }}\,f(x)$ is



1) Equal to 0
2) Equal to 1
3) Equal to –1
4) Indeterminate
Solution: Explanation: No Explanation
Limits

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