Let I (a, b) be a bounded open interval and f: 1 2 be a monotone increasing function on I. (i) If f is bounded above on I, then lim f(x)= - x468 sup f(x). x= (a,b) lim f(x) inf f(x). - x-at (ii) If f is bounded below on I, then (iii) If f is unbounded above on I, then lim f(x) ∞. ze (a,b) x-6-

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
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Let I = (a, b) be a bounded open interval and f:I →
R be a monotone increasing function on I.
(i) If fƒ is bounded above on I, then lim f(x)
sup f(x).
x = (a,b)
x→6-
(ii) If ƒ is bounded below on I, then lim f(x)=
inf f(x).
ze(a,b)
x→a+
to
∞.
(iii) If ƒ is unbounded above on I, then lim f(x)
(iv) If ƒ is unbounded below on I, then lim f(x)
x→b-
xat
-∞o.
Transcribed Image Text:Let I = (a, b) be a bounded open interval and f:I → R be a monotone increasing function on I. (i) If fƒ is bounded above on I, then lim f(x) sup f(x). x = (a,b) x→6- (ii) If ƒ is bounded below on I, then lim f(x)= inf f(x). ze(a,b) x→a+ to ∞. (iii) If ƒ is unbounded above on I, then lim f(x) (iv) If ƒ is unbounded below on I, then lim f(x) x→b- xat -∞o.
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