高中数学代数与函数一其他练习题123
题目内容

设平面区域 http://picflow.koolearn.com/upload/papers/20140824/20140824002356866315.png是由直线 http://picflow.koolearn.com/upload/papers/20140824/20140824002356882562.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824002356898383.png所围成的三角形(含边界与内部).若点 http://picflow.koolearn.com/upload/papers/20140824/20140824002356913615.png,则目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824002356929470.png的最大值为(   )

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140824/20140824002356944223.png

B.2

C.http://picflow.koolearn.com/upload/papers/20140824/20140824002356960206.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824002356976287.png

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