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Approaching Limits

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Find lim as x approaches-1 from the left of f(X).
find lim as x approaches-1 from the right of f(X).
Are these limits the same?
What can you say about find lim as x approaches 1 of f(X)?

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Solution Summary

Limits are investigated.

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See please attached file TanhX.doc.

We can see from the graph ...

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