高中数学代数与函数一其他练习题140
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140824/201408240552579211181.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824055257937585.png,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824055257952283.png的取值范围为(   ) 

2021-07-21

A.http://picflow.koolearn.com/upload/papers/20140824/20140824055257968349.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824055257983465.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824055258015393.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824055258030512.png

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