名校
1 . 已知函数
,设
,若
,则M的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690b1fea2bca175e255130bd62433906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470aa199162be50e91aa5659af197a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9585d4b89e3c3d1238cfb3deb7efbad.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
名校
解题方法
2 . 定义
,已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc660b94599ed199fd98ff4b85a4609f.png)
,若
恰好有3个零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0dded2b07b114830d44cccd28e3690d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2377e6f48122328218115ee3b5edaa52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc660b94599ed199fd98ff4b85a4609f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06755a9ab2c66f702a9b48773644315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f0f54dd104b99379c9953c429acf5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-04-17更新
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583次组卷
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4卷引用:2019届浙江省衢州市衢州二中高三下学期高考适应性考试数学试题