设函数
与
是定义在同一区间
上的两个函数,若对任意的
,都有
,则称
与
在
上是“比邻函数”,区间
称为“比邻区间”.设函数
与
在
上是“比邻函数”,则实数
的取值范围为
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/137ee0a875b3406389102d70012680b0.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/02b0e2c593dc42d79a0b41a2766a2c0d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/9fd9479ae979498eb36c4cc70645c2b6.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/c7bd2fe89d0d4e9d950ae9ba0f49ed6f.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/8e578d1504d646f5a5b507cb2d5c698e.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/137ee0a875b3406389102d70012680b0.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/02b0e2c593dc42d79a0b41a2766a2c0d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/9fd9479ae979498eb36c4cc70645c2b6.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/9fd9479ae979498eb36c4cc70645c2b6.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/164cbd51174c489a80a37ce095661d2f.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/93d39c56b2c641a2801330e707aaf6c3.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/d8caf9970f7d4c92aa774a097aecaf5d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516162592768/1572516168359936/STEM/6c36fe49dea94d5a80246a2acbf896df.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-03-03 15:38:10
|
【知识点】 函数的定义
相似题推荐
单选题
|
适中
(0.65)
解题方法
【推荐1】定义域为
的函数
,若关于
的方程
恰有
个不同的实数解
、
、
、
、
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af66fccf516ea9b429bc378e663bb09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c594fbcc959dd8c260d905fbedab9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9b42973c53907f09f2de384c42fc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733cb1210271ad906a534c38d49b9e04.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】已知函数
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b3bda1f847772abac5a9b05109c826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e2b8849f3c4c7695bec29d41b7b74a.png)
A.80199 | B.80200 | C.81001 | D.81002 |
您最近一年使用:0次