| http://www.w3.org/ns/prov#value | - I read something about aproaching the limit from both the right and the left and see if the results are similar then the limit exist, so I did approach the limit with $-0.5$ and I got $-4$ and from $0.5$ and I got $-4.3$, so the results suggest that the limit is continous, so why the solution is a? limits share|improve this question edited Feb 13 '13 at 5:55
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