Generalized Mean-Value Theorem: Let f and g be two functions, each having a derivative (finite or infinite) at each point of an open interval (a, b) and each continuous at the endpoints a and b. Assume also that there is no interior point a at which both f'(x) and g'(x) are infinite. Then for some interior point c we have f'(c)[g(b) – g(a)] = g'(c)[f(b) – f(a)].

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 2E
Question

130 4

3. Generalized Mean-Value Theorem: Let f and g be two functions, each having a derivative
(finite or infinite) at each point of an open interval (a, b) and each continuous at the
endpoints a and b. Assume also that there is no interior point r at which both f'(x)
and g'(x) are infinite. Then for some interior point e we have
f'(e)[g(b) – g(a)] = g'(c)[f(b) – f(a)].
Transcribed Image Text:3. Generalized Mean-Value Theorem: Let f and g be two functions, each having a derivative (finite or infinite) at each point of an open interval (a, b) and each continuous at the endpoints a and b. Assume also that there is no interior point r at which both f'(x) and g'(x) are infinite. Then for some interior point e we have f'(e)[g(b) – g(a)] = g'(c)[f(b) – f(a)].
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