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SHOW ALL WORK AND ANSWER ALL QUESTIONS ASKED PLEASE. 1. Show that the following functions defined on Ry are quasiconcave. Which are also concave? (a)

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SHOW ALL WORK AND ANSWER ALL QUESTIONS ASKED PLEASE.

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1. Show that the following functions defined on Ry are quasiconcave. Which are also concave? (a) f (x1. x) =x x2 1/3 2/3 (b) f ( x1. x2 ) =x x (c) f (m. x) = xx

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