f(x) :(-1,2] x + 2

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.CT: Chapter Test
Problem 5CT: Find the difference quotient. f(x)=x2x+5
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Question

Consider the following function on the given interval [a, b].
a. Determine whether the Mean Value Theorem applies to the following
functions on the given interval [a, b].
b. If so, find the point(s) that are guaranteed to exist by the Mean Value Theorem.

f(x)
:(-1,2]
x + 2
Transcribed Image Text:f(x) :(-1,2] x + 2
Expert Solution
Step 1

Given:

        f(x)=xx+2;   1,2

Step 2

Concept Used:

Mean Value theorem:  Let f be continuous on the closed interval a,b and differentiable on the open interval (a,b)Then there exists a number c in (a, b) such that:                                          f'(c)=f(b)f(a)ba

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