高中数学代数与函数一函数练习题93
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232215166471437.png,且关于 http://picflow.koolearn.com/upload/papers/20140823/20140823221516740266.png的方程 http://picflow.koolearn.com/upload/papers/20140823/20140823221517115691.png有且只有一个实根,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823221517224283.png的范围是(  )

2021-08-04

A.http://picflow.koolearn.com/upload/papers/20140823/20140823221517240550.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823221517255459.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823221517271479.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823221517302543.png

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