Answered: Prove that if f(x) is a differentiable…

Prove that if f(x) is a differentiable function everywhere and f'(x) # 1 for any value of x, then f(x) has at most one fixed point.

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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Question

COURSE: Mathematical/Real Analsys (MVT4)

TOPIC: Mean Value Theorem

x = a is called a fixed point of a function f(x)
a = 1 are fixed points of f(x) = x², because f (0) = 0 and f(1) = 1).
f(a) :
= a (e.g. a = 0 and
Prove that if f(x) is a differentiable function everywhere and f'(x) # 1 for
value of x, then f(x) has at most one fixed point.
any
b. What does
*Hint*: Assume f(x) has two fixed points x = a and x
the mean value theorem say about the interval [a, b]?

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