Preview 1. Let I CR be any interval (open, closed, half- open, bounded or unbounded). If f: I → R is continuous, and for all r, s E QnI with r < s we have f(r) < f(s), then for all x < y € I we have f(x) < f(y). (That is show that if floor is strictly monotone

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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1. Let I CR be any interval (open, closed, half-
open, bounded or unbounded). If f: I → R is
continuous, and for all r, s E QNI with r < s
we have f(r) < f(s), then for all x < y E I
we have f(x) < f(y).
(That is show that if f onI is strictly monotone
increasing, then so is f.)
2. Let f : R → R be an exponential function with
f(1). Show that f is strictly
monotone increasing if a > 1 and strictly
monotone decreasing if a < 1.
base a =
Transcribed Image Text:Q1: Preview 1. Let I CR be any interval (open, closed, half- open, bounded or unbounded). If f: I → R is continuous, and for all r, s E QNI with r < s we have f(r) < f(s), then for all x < y E I we have f(x) < f(y). (That is show that if f onI is strictly monotone increasing, then so is f.) 2. Let f : R → R be an exponential function with f(1). Show that f is strictly monotone increasing if a > 1 and strictly monotone decreasing if a < 1. base a =
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