高中数学代数与函数一其他练习题107
题目内容

目标函数 http://picflow.koolearn.com/upload/papers/20140823/20140823234419750542.png,变量 http://picflow.koolearn.com/upload/papers/20140823/20140823234419812403.png满足 http://picflow.koolearn.com/upload/papers/20140823/201408232344198281258.png,则有(    )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140823/20140823234419859719.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823234419875541.png无最大值

C.http://picflow.koolearn.com/upload/papers/20140823/20140823234419999548.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823234420015243.png无最小值

D.http://picflow.koolearn.com/upload/papers/20140823/20140823234420015243.png既无最大值,也无最小值

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