名校
解题方法
1 . 关于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f02ee64beedfa1453e3a39b2232a73.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若存在实数![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-01-24更新
|
792次组卷
|
3卷引用:内蒙古自治区呼和浩特市内蒙古师范大学附属中学2022-2023学年高一下学期6月月考数学试题
2 . 函数
的最大值记为
.
(1)求
的解析式;
(2)若
,求
的值;
(3)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90eaffaea517729fb019bc2ed03619f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773f73ad83b6b1fb73888f628f12ae68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
您最近一年使用:0次
3 . 已知定义在
上的函数
同时满足:①对任意
,都有
;②当
时,
,
(1)当
时,求
的表达式;
(2)若关于
的方程
在
上有实数解,求实数
的取值范围;
(3)若对任意
,关于
的不等式
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e13b0ca1f02740b1d1b41e469b966e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d0402a3f700ebd5e45382ff299c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856da883104f7fce07a39b70027fdb43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ef956f42f6fec41587944555580a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e23527428bb8a045758987b0fd88b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88aed1efa9c84101409317eee4ab97ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次