高中数学代数与函数一其他练习题133
题目内容

对任意实数 http://picflow.koolearn.com/upload/papers/20140823/20140823190823675271.png,若不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823190823690652.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823190823706310.png上恒成立,则 http://picflow.koolearn.com/upload/papers/20140823/20140823190823721320.png的取值范围是( )

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140823/20140823190823737431.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823190823753448.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823190823768451.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823190823784441.png

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