Prove and show complete solution: Let ƒ be defined on an open interval (a, b) and assume that for some c € (a,b) we have f'(c) > 0 or f'(c) = +∞. Then there is an open ball B(c) C (a, b) in which f(x) > f(c) if z >c, and f(r)< f(c) _ifz

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 78E
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Prove and show complete solution:
Let ƒ be defined on an open interval (a, b) and assume that for some c € (a,b) we have
f'(c) > 0 or f'(c) = +o. Then there is an open ball B(c) C (a, b) in which
f(z) > f(c)_if r > c, and f(r)< f(c) if r < c.
Transcribed Image Text:Prove and show complete solution: Let ƒ be defined on an open interval (a, b) and assume that for some c € (a,b) we have f'(c) > 0 or f'(c) = +o. Then there is an open ball B(c) C (a, b) in which f(z) > f(c)_if r > c, and f(r)< f(c) if r < c.
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