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I have two questions.

(1) I am trying to understand how the following function is quasi-linear:

For it to be quasi linear it has to be quasi convex and quasi concave at same time.Code (Text):

f = min(1/2,x,x^2)

(2) I think the reason the above function is not concave is cause on a certain interval (0,1) f = x^2 which is convex. Am I correct in my reasoning?

Thanks guys

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# Understanding QuasiLinearity

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