若函数
对任意的
,均有
,则称函数
具有性质
.
(1)若函数
具有性质
,且
,求证:对任意
有
;
(2)在(1)的条件下,是否对任意
均有
.若成立给出证明,若不成立给出反例并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75190e49deb89c5a43eda6083422418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec80e7bf436e9ab28f26c3c07102e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045a7520079f49c28ca21a5e781f70ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db419cf1fca9e54646e150752cd7a82.png)
(2)在(1)的条件下,是否对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f5762af19bbe5d56474384277a5d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db419cf1fca9e54646e150752cd7a82.png)
更新时间:2021-01-11 22:21:56
|
【知识点】 函数新定义
相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】对于函数
,
为函数定义域,若存在正常数
,使得对任意的
,都有
成立,我们称函数
为“
同比不增函数”.
(1)若函数
是“
同比不增函数”,求
的取值范围;
(2)是否存在正常数
,使得函数
为“
同比不增函数”,若存在,求
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f69a10dd74a5189353a5db9d5828ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f7f1ed660ed810ad4ffd5d0a6d3762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03cddfaa4522ab14daa358d2d5af019e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)是否存在正常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f44b70df66b4e8b1f958d1335fb83b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
解题方法
【推荐2】对于函数
,若
,则称
为
的“不动点”,若
,则称
为
的“稳定点”,函数
的“不动点”和“稳定点”的集合分别记为A和B,即
.
(1)设
,求集合A和B;
(2)若
,
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535fbd4834ea07cadae1dcc39bb83913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78030f6c518d3d3f5a5f9f22a6f8f5ad.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd113f8b8b68a2dbd350d6520b22d65c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda0417e759d75b45880235cdddef171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbed8902917976036bcc823a541aa307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次