名校
解题方法
1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/caf4e040-c408-42a7-b3e8-144d109b4a90.png?resizew=194)
(1)判断函数的奇偶性,并利用定义证明;
(2)判断函数
单调性(不需要证明),并画出
的图像.
(3)若不等式
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47b2d73a4858fe5a169a0964c7e878e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/caf4e040-c408-42a7-b3e8-144d109b4a90.png?resizew=194)
(1)判断函数的奇偶性,并利用定义证明;
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bed605a16f9afd9b63861e02056a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f0a7f52eb82472cce50381cbed1c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 . 设定义在
上的函数
对任意
均满足:
,且
,当
时,
.
(1)判断并证明
的奇偶性;
(2)判断并证明
在
上的单调性;
(3)若
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50b7bfbea6239a83d09ba1d30eaf5135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f353f0ea0747e8e9f2b0784db81231.png)
您最近一年使用:0次
解题方法
3 . (1)当
,
,
,
时,证明不等式:
;
(2)若
,
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29574517e0bd98aa055ee15120f8fff1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1dbe0d4a121e1b69c2ad3b14d25d1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3d2d825b2f91bdab200eb37e487cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc3e17610cdb581e6297c3f19c37922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406d570c2c1b9ff76cdac4df5fea8448.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf15caa7a5c2fef7db8b8ec4606a9e5a.png)
(1)判断函数
的单调性,并用定义法证明;
(2)若关于
的不等式
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf15caa7a5c2fef7db8b8ec4606a9e5a.png)
(1)判断函数
![](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/cfc90d21025d6210c1877ee38cc7e734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-24更新
|
559次组卷
|
2卷引用:重庆市璧山中学校2021-2022学年高一上学期期中数学试题
名校
解题方法
5 . 设集合
,且S中至少有两个元素,若集合T满足以下三个条件:①
,且T中至少有两个元素;②对于任意
,当
,都有
;③对于任意
,若
,则
;则称集合
为集合
的“耦合集”.
(1)若集合
,求集合
的“耦合集”
;
(2)若集合
存在“耦合集”
,集合
,且
,求证:对于任意
,有
;
(3)设集合
,且
,求集合S的“耦合集”T中元素的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b94a0abdcc3807bf392db9ff45b065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eee24115b5913c454fe5a93f176db80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c36aecba41f6f5ff0d46a29dccaaf01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7741c8d8f0486556a102d904fb26a7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8339eab9c659e50db86828b65f825e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566d386cbedb1c8750f4837633c2af64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0086b15b30b83d428b35cdbe094810f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5718e9c8baa106b447f9fae23e730de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a8b2c7049b225429ace45c69a44d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a09b275c36edd90e33b7dbd4d8a1ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799794fea82a353250cb5d27a30002cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f74ed37d11fb9d30d9ee10c337c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b19fb48a58c310c0432c93e054c26ff.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e91972c88f7dcf857a74fdbd57deb0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa09412f1c12451c54596ce4d58fffa.png)
您最近一年使用:0次
2021-01-27更新
|
1320次组卷
|
5卷引用:重庆市璧山中学校2021-2022学年高一上学期10月月考数学试题