Let f : R R and let f (x) > 0 for all x R.

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Let f : R → R and let f (x) > 0 for all x ∈ R. Show that f (x) is strictly decreasing if and only if the function g(x) = 1/f (x) is strictly increasing.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 02, 2016 12:18 PM

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Let f : R R and let f (x) > 0 for all x R.

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Discrete Mathematics and Its Applications

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