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If f(x)={{:(|x|+1",",xlt0),(0",",x=0),(|...

If `f(x)={{:(|x|+1",",xlt0),(0",",x=0),(|x|-1",",xgt0):}`
For what value(s) of a does `lim_(xrarra)f(x)` exists?

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The correct Answer is:
`lim_(xrarra)f(x)` exists for all `ane0`.
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