Theorem 1. Suppose that f, g, h: A → R and c is an accumulation point of A. If and f(x) ≤ g(x) ≤ h(x) for all x Є A lim f(x) = lim h(x) = L, x c x c then the limit of g(x) as x → c exists and lim g(x) = L. x→c

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.CR: Chapter 9 Review
Problem 6CR
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Problem #2: Prove the following theorem:
Theorem 1. Suppose that f, g, h: A → R and c is an accumulation point of A. If
and
f(x) ≤ g(x) ≤ h(x) for all x Є A
lim f(x) = lim h(x) = L,
x→c
x c
then the limit of g(x) as x →c exists and
lim g(x) = L.
x c
Transcribed Image Text:Problem #2: Prove the following theorem: Theorem 1. Suppose that f, g, h: A → R and c is an accumulation point of A. If and f(x) ≤ g(x) ≤ h(x) for all x Є A lim f(x) = lim h(x) = L, x→c x c then the limit of g(x) as x →c exists and lim g(x) = L. x c
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