高中数学代数与函数一其他练习题110
题目内容

已知约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240306584741310.png,若目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824030658489352.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824030658505650.png恰好在点 http://picflow.koolearn.com/upload/papers/20140824/20140824030658520485.png处取得最大值,则 http://picflow.koolearn.com/upload/papers/20140824/20140824030658536283.png的取值范围为  (   )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824030658536560.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824030658567486.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824030658567478.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824030658583571.png

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