高中数学代数与函数一函数练习题27
题目内容

已知函数 http://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image001.pnghttp://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image002.png上恰有两个零点,则实数 http://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image003.png的取值范围为(    )

2021-07-26

A.http://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image002.png

B.http://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image004.png

C.http://picflow.koolearn.com/upload/2012-10/11/6b6ab8cf-a45f-4864-8b43-d8ca6f7818eb/paper.files/image005.png

D.(2,4)

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