Prove that a function f is both convex and concave on f if and only if there

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Prove that a function f is both convex and concave on f if and only if there exist m, b ∈ R such that f(x) = mx + b for x ∈ I.

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An Introduction to Analysis

ISBN: 978-0132296380

4th edition

Authors: William R. Wade

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Question Posted: Mar 29, 2016 04:05 AM

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Prove that a function f is both convex and concave on f if and only if there

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By Remark 559 if f is both convex and concave ...View the full answer

An Introduction to Analysis

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