已知函数,,的零点分别为,则                                       (...

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 已知函数,,的零点分别为,则                                       (...

 已知函数,,的零点分别为,则                                        (     )                                           

A.        B.         C.        D.

【回答】

D

知识点:函数的应用

题型:选择题

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