1 . 已知函数
的图像如图所示,则实数a的值可能是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/830dc36c-b264-4d85-ae44-cb547fe78d82.png?resizew=307)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a26e84434b228fc37f6569562a979.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/830dc36c-b264-4d85-ae44-cb547fe78d82.png?resizew=307)
A.![]() | B.![]() | C.![]() | D.2 |
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解题方法
2 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbb15086161491d1db77621067794a2.png)
________ ,若
有三个零点,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1422abd131b6e74ff6aa140766c4d2d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbb15086161491d1db77621067794a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9beeea6e98a19a01779e73acc823fddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-05更新
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959次组卷
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3卷引用:浙江省湖州中学2020届高三下学期高考模拟测试(四)数学试题