1 . 已知函数
满足:
.若函数
在区间
上单调,且
,则当
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2368152802235d8226a27d3910784811.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655c89e928883251360546be8f2a739e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a847a2afdc2f6821fa267fe7d9e5c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351629c193354cdcf202133052e45028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c823b1db20dcf7e5272b9b2f548c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2368152802235d8226a27d3910784811.png)
您最近一年使用:0次
2 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2de918de64febdd3d864a4bc73da72a.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.存在两个不同的实数![]() ![]() |
您最近一年使用:0次
2022-11-10更新
|
2194次组卷
|
4卷引用:四川省成都市2022-2023学年高一下学期期末数学试题
3 . 已知函数
,则下列结论错误的是( )
①
时,函数
图象关于
对称;②函数
的最小值为-2;③若函数
在
上单调递增,则
;④
,
为两个不相等的实数,若
且
的最小值为
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b3fd9d4fa63d1bae1a76a90f0ff9dc.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe0e99cd239e789a9df7b181e98a10b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787f2c8b1d9d1ef0cf740d2fd9b25a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2dc6d650e0885a1001c7a102b9c981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc191ebded559cc4e6752b9a4e2727c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
A.②③ | B.②④ | C.①③④ | D.②③④ |
您最近一年使用:0次
名校
4 . 已知函数
在区间
上单调,且满足
.有下列结论:
①
;
②若
,则函数
的最小正周期为
;
③关于
的方程
在区间
上最多有
个不相等的实数解;
④若函数
在区间
上恰有
个零点,则
的取值范围为
.
其中所有正确结论的编号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015038d6930db368093d4a58d80ac6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a6f56aaa14f51ad5973eb148a260c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ceb1c32727a22dfa44a7de99e0983db.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ca48d5751252aae139782d04e5ae52.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8470f0b53e7166ca10590a2bbe7af232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
③关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/873a3ea84c65cf6d1eb92aea25b472dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d679fd832e8f6e40af171f68d8b48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967938710d53323f5cc6d1064804d9cb.png)
其中所有正确结论的编号为
您最近一年使用:0次
2021-05-11更新
|
2287次组卷
|
7卷引用:四川省泸县第四中学2022-2023学年高三上学期期末考试数学(文)试题
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