名校
解题方法
1 . 若存在常数
、
,使得函数
对于
同时满足:
,
,则称函数
为“
”类函数.
(1)判断函数
是否为“
”类函数?如果是,写出一组
的值;如果不是,请说明理由;
(2)函数
是“
”类函数,且当
时,
.
①证明:
是周期函数,并求出
在
上的解析式;
②若
,
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121706e56023722591922af58fd1dd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5858dba99d7612311e93a49da16aaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297c81c2628b05a8f67744ddf04e9851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb72ca96da578351e459f9ce3dbe44d.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1417a39c99b1e6b489c7c033a0625af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc076c7f73dc9b6138bc40252cbbf22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-03-15更新
|
299次组卷
|
2卷引用:湖南省长沙市长郡中学2023-2024学年高一下学期寒假检测(开学考试)数学试题
名校
解题方法
2 . 已知函数
的定义域为
,
,
,且
在区间
上单调递减.
(1)求证:
;
(2)求
的值;
(3)当
时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c7798e8266916b8501e3837194407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707f481ce3097ef1da3af9964bd36bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da1ddf59efd582614505be50e813af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5980a054af3e565d5d0511b14695aaf1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e861f148f57d5bcdd82cd1fec3d594.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a3d8f7ee39ac3245c840a40f8af63d.png)
您最近一年使用:0次
2024-01-24更新
|
365次组卷
|
2卷引用:四川省泸州市泸县第四中学2023-2024学年高一下学期开学考试数学试题
名校
3 . 已知
为实数,用
表示不超过
的最大整数,例如
,
,
.对于函数
,若存在
且
,使得
,则称函数
是“和谐”函数.
(1)判断函数
,
是否是“和谐”函数;(只需写出结论)
(2)设函数
是定义在
上的周期函数,其最小周期为
,若
不是“和谐”函数,求
的最小值.
(3)若函数
是“和谐”函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe1e778c9e668594c42b77459328c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf813e9500eebd474511b865b876ea4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ae4ee70c548e841fd7ceeac3250b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f929c50f8ccc07ba58a4c34bb05d2bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19ec960e7b486de3916696346501a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b551072bee20e351f14d362a3f0e5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47431a4b13e3ea3cba79a85fd77eabc2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-14更新
|
869次组卷
|
3卷引用:2020届北京市陈经纶中学高三上学期8月开学数学试题