Suppose f(x) < g(x) for all x E (c – p, c+ p), except possibly at c itself. (i) Prove that lim,→c f(x) < limz+c9(x), provided each of these limits exist. (Hint: prove by contradiction. Suppose lim, c f (x) = L > M = lim,→c 9(x). Let e = and try to obtain a contradiction using the 8-e definition for limits. ) L-M 2 Text (ii) Suppose f(x) < g(x) for all æ E (c – p, c+ p), except possibly at c itself. Does it follow that lim,c f(x) < lim,→c9(x)?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Suppose f(x) < g(x) for all x E (c – p, c + p), except possibly at c itself.
(i) Prove that limc f(x) < lim→c 9(x), provided each of these limits exist.
(Hint: prove by contradiction. Suppose lim,→c f (x)
and try to obtain a contradiction using the d-e definition for limits. )
= L > M = limc 9(x). Let e =
L-M
2
Тext
(ii) Suppose f(x) < g(x) for all x € (c – p, c + p), except possibly at c itself. Does it follow that
limp>c f(x) < lim→c 9(x)?
Transcribed Image Text:Suppose f(x) < g(x) for all x E (c – p, c + p), except possibly at c itself. (i) Prove that limc f(x) < lim→c 9(x), provided each of these limits exist. (Hint: prove by contradiction. Suppose lim,→c f (x) and try to obtain a contradiction using the d-e definition for limits. ) = L > M = limc 9(x). Let e = L-M 2 Тext (ii) Suppose f(x) < g(x) for all x € (c – p, c + p), except possibly at c itself. Does it follow that limp>c f(x) < lim→c 9(x)?
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