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《工科数学》 1993-01
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The Economic Features for Some Kind of Function Marginalities

Li Zhenyu Chen Xingoong (Mathematics Department,Anhui University Hefei)  
Funetion marginalities play impootant roles in economics.Their economic features are further analysednot only by pualitative method but also by puantative meahod in this paper.Suppose f(x)=c+bx+ax~2.Asan example the economic fealures of f(x)marginality are elucidated accurately and the deruved concise formu-la has broad application in economie fields.
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