18.V. Let f be as in Definition 18.1 and suppose that the deleted limit at c exists and that for some element A in R° and r > 0 the inequality |f(x) – A| < r holds on some neighborhood of c. Prove that lim f – A| < r. Does the same conclusion hold for the non-deleted limit?

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18.V

18.V. Let f be as in Definition 18.1 and suppose that the deleted limit at c
exists and that for some element A in R° and r > 0 the inequality \f (x) – A| <r
holds on some neighborhood of c. Prove that
lim f - A| <r.
Does the same conclusion hold for the non-deleted limit?
Transcribed Image Text:18.V. Let f be as in Definition 18.1 and suppose that the deleted limit at c exists and that for some element A in R° and r > 0 the inequality \f (x) – A| <r holds on some neighborhood of c. Prove that lim f - A| <r. Does the same conclusion hold for the non-deleted limit?
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