高中数学代数与函数一函数练习题59
题目内容

已知 http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image074.png,若函数 http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image075.png只有一个零点,则 http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image076.png的取值范围是(    )

2021-08-03

A.http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image077.png

B.http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image078.png

C.http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image079.png

D.http://picflow.koolearn.com/upload/2014-06/03/62ee64bb-8656-4555-9e6f-8a8f08e5a2eb/paper.files/image080.png

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