名校
1 . 已知函数
和
的定义域分别为
和
,若对任意的
都存在n个不同的实数
、
、…、
,使得
(其中
,
),则称
为
的“n重覆盖函数”.如
是
的“4重覆盖函数”.
(1)试判断
是否为
的“2重覆盖函数”?请说明理由;
(2)若
为
的“2重覆盖函数”,求实数
的取值范围;
(3)若
为
的“9重覆盖函数”,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac99c0358497d72001cc575f1ade329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1eb6ad9d7fd661be8f3fc7369fd426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fce9a57f1d198a9421cab48d3389183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1ab7f3a243344499fcfac302c4958e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b9b7e8f9e986fbdd5d2b5ace4ed9e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d009875f16e6a9e4b26212097a50248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ad4897a05a6a26b10e2d8379137fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58441b4d73074061b2a479b38ff753d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dbe3263831498d05a7f7d3eb650213.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1544db42aeea3a97b1d5200c9e51e56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16a5472ff57d1d56a6e96be3c940fd0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee474286918202f6d0b15133e225b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845e424349bacc53f74570180b6caa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3596f9582f02a2fe3282e0f2a974c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c07c6e51896bb4b2ef4336a1a68dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec8ce8fc84cc97ed1e8b2c6b2547626.png)
您最近一年使用:0次