名校
解题方法
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0259b6bc8cbb1c69effeace2701a276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828db29d1beeed409d2c2a70a07627f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da03abf299ce665f59d424a2b9dec7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783dfdb08b4ed252bc46192b6b4f6c63.png)
________ .若函数
有最小值,且无最大值,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0259b6bc8cbb1c69effeace2701a276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828db29d1beeed409d2c2a70a07627f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da03abf299ce665f59d424a2b9dec7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783dfdb08b4ed252bc46192b6b4f6c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f185ef210642539890407a32fc5894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-02-03更新
|
696次组卷
|
5卷引用:2023版 苏教版(2019) 必修第一册 名校名师卷 学业水平合格性测试
解题方法
2 . 函数
,当
时,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00667ad8c50a99ea5c58669ad1996fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db3e49df811c97550d42912410771d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
3 . 函数
在
上单调递减的充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df2af67877bf2a853af116c0ad2c1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次