名校
1 . 已知定义在
上的函数
满足
,
,则下列说法正确的是______ .(填所有正确说法的序号)
①
在
处取得极大值,极大值为
;
②
有两个零点;
③若
在
上恒成立,则
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8df9f5561ef4423796db5ee64540566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd4211e78293c7027f985bcc26a4929.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9abbedcdfbd6118599e1bb612474741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc329b32ecf0f0532d09a8a21343e8cb.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2bdf701b97649757358da6faf8e0cde.png)
您最近一年使用:0次
2023-09-04更新
|
220次组卷
|
2卷引用:黑龙江省大兴安岭实验中学(东校区)2024届高三上学期11月月考数学试题
解题方法
2 . 已知
,定义极值点数列:将该函数的极值点从小到大排列得到的数列,对于任意的正整数n,判断以下两个命题:( )
甲:此数列中每一项都在
中.
乙:令极值点数列为
,则
为递减数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ee920bf197c6ed532e9ec42afc9697.png)
甲:此数列中每一项都在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ca684ea4fc6a042241383d5ef4730e.png)
乙:令极值点数列为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4fa8ab268ba8f0da13d71e8817f136.png)
A.甲正确,乙正确 | B.甲正确,乙错误 |
C.甲错误,乙正确 | D.甲错误,乙错误 |
您最近一年使用:0次
2023-12-16更新
|
262次组卷
|
2卷引用:上海市普陀区长征中学2024届高三上学期10月月考数学试题