Unformatted text preview: such that f x 1 x f x 1 f x Then give a second example where the opposite inequality holds. 4. Sketch one of the level curves of the function f x 1 , x 2 x 1 e x 2 where the level is negative. Then identify in your sketch the better set and the worse set of f with respect to a point on this level curve. Explain your answer...
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 Spring '06
 Heaps
 Set Theory, Convex function

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