(Fixed-point property) Show that if f is continuous on [0, 1] and 0 < f(x)<1 for all x e [0, 1], then there ex- ists at least one point c in [0, 1] at which f(c) = c. HINT: Apply the intermediate-value theorem to the function g(x) =x – f(x).

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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(Fixed-point property) Show that if f is continuous on
[0, 1] and 0 < f(x)<1 for all x e [0, 1], then there ex-
ists at least one point c in [0, 1] at which f(c) = c.
HINT: Apply the intermediate-value theorem to the function
g(x) = x – f(x).
%3D
-
Transcribed Image Text:(Fixed-point property) Show that if f is continuous on [0, 1] and 0 < f(x)<1 for all x e [0, 1], then there ex- ists at least one point c in [0, 1] at which f(c) = c. HINT: Apply the intermediate-value theorem to the function g(x) = x – f(x). %3D -
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