Let \( f \) be a function defined by \( f(x)=\left\{\begin{array}{ll}\frac{|x|}{x}, & x \neq 0 \... VIDEO
Let \( f \) be a function defined by \( f(x)=\left\{\begin{array}{ll}\frac{|x|}{x}, & x \neq 0 \\ 0, & x=0\end{array}\right. \). Does \( \operatorname{Lt}_{x \rightarrow 0} f(x) \) exist?https://bit.ly/YTAI_PWAP https://www.pw.live
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