高中数学代数与函数一其他练习题123
题目内容

如图,目标函数z=ax-y的可行域为四边形OACB(含边界),若 http://picflow.koolearn.com/upload/papers/20140824/20140824002024238573.png是该目标函数z=ax-y的最优解,则a的取值范围是 http://picflow.koolearn.com/upload/papers/20140824/201408240020242541906.png     

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140824/20140824002024285654.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824002024300647.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824002024316633.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824002024347636.png

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