名校
解题方法
1 . 已知函数
在区间
上有定义,实数a、b满足
.若
在区间
上不存在最小值,则称函数
在区间
上具有性质P.
(1)若函数
在区间
上具有性质P,求实数m的取值范围;
(2)已知函数
满足
,且当
时,
.试判断函数
在区间
上是否具有性质P,并说明理由;
(3)已知对满足
的任意实数a、b,函数
在区间
上均具有性质P,且对任意正整数n,当
时,均有
.证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1accdaf7d28bf884e8a044a8960190ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152e7be0c0054be3a8d537ef39d35da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152e7be0c0054be3a8d537ef39d35da7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dba30da31016b52e349829e037e276e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337a23f9bf790be6e03b88fb2d03f18b.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c932c7ae059e4d1c86ac9693fbd8eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc0e849b72357de1cdf719a7ed5f1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74440ee5b3fe9565f3cb09ac36998096.png)
(3)已知对满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1accdaf7d28bf884e8a044a8960190ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152e7be0c0054be3a8d537ef39d35da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747bb1e652f51285f336b2950d278de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818555e6a7e7c9578f62d8031b28b60c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eededbad4fb635689b3bb404e59a3ba.png)
您最近一年使用:0次
2023-01-05更新
|
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|
2卷引用:上海市黄浦区格致中学2023届高三下学期开学考试数学试题
名校
解题方法
2 . 已知函数
,若
,若点
不可能在曲线C上,则曲线C的方程可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32815a6b7462fc68521ec4620938d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74fe8b70a97156754d8e878f6607719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-09-05更新
|
967次组卷
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3卷引用:江西省南昌市2022届高三上学期摸底考试数学(理)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