The second derivative of the function C(x) = (x 4) 1 is (x) = 2(x

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The second derivative of the function C(x) = (x − 4)−1 is ƒ" (x) = 2(x − 4)−3. Although ƒ:(x) changes sign at x = 4, ƒ does not have a point of inflection at x = 4. Why not?

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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