已知函数
,若在定义域内存在
,使得
成立,则称
为函数
的局部对称点.
(1)若
R且
,证明:函数
必有局部对称点;
(2)若函数
在区间
内有局部对称点,求实数
的取值范围;
(3)若函数
在R上有局部对称点,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/775ee5a18e144371a8a42cdedd902527.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/ec88c8a4cb164a0f8c59703aae830d28.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/5222ab4a59ab4d4eb478ffdf3b91c6ec.png?resizew=116)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/ec88c8a4cb164a0f8c59703aae830d28.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/3e6a3889dc0543d6ac72222fb475e1ec.png?resizew=36)
(1)若
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/a699744f9f4b4c0f9339e01606d48b7b.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/487237edd3044222a1764a87d667d991.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/9fff906e13fc45cfa3b2ef366843d973.png?resizew=123)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d7bea24fba81308f946e23ec3e7177.png)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/7f93ff54c9894043bba11944d9c73500.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/ed675a7455f04db78768df40773980f6.png?resizew=17)
(3)若函数
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/75330c18c92a42dc9cb3b135fd1d42a4.png?resizew=187)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572020544643072/1572020550467584/STEM/57f5272791e841bf8237bfd71cd45423.png?resizew=17)
更新时间:2016-12-03 10:26:54
|
相似题推荐
解答题
|
较难
(0.4)
【推荐1】已知函数
.
(1)试用定义证明:函数
在
上单调递增;
(2)若关于
的不等式
在区间
上有解,求
的取值范围.
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e5af509b9a7f9ba030fe46de79d4d6.png)
(1)试用定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12304c6cf3e8ef56445e632e9549774.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9985ad1358d0fddcb8bfc99deb95bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c721d8495519ac60147b908129bd3135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f01bf9a85d446755f100c8e1d2e72e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f35c30f027c8d39805c829139fa915d.png)
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解答题-证明题
|
较难
(0.4)
解题方法
【推荐2】已知函数
为偶函数,关于
的方程
的构成集合
.
(1)求![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/a4f8d8bbb3374c1eb7aaf74559fe7284.png)
的值;
(2)若
,求证:
;
(3)设
,若存在实数
使得
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/959a0af83a4b4114b38e57fec4e6834e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/3a3e422d07824b33a44f2c4586bcfb7b.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/e71521fa88aa4da585c7b7f2483a3ae8.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/67062d53a2434f53bf4eeea8a4f519a5.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/a4f8d8bbb3374c1eb7aaf74559fe7284.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/9327cadd37b24f3e99f49cb270777bdf.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/b8927464ad0e4c3bba6e8c2464a22179.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/48454cc5a0cd4956a9c788529e34727c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f0c4c7714099b5bafdb35d7ca146c8.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/f3a8c6ecbd554aea86d405d279415fe0.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/e73b7562ec07461db83271fe7bdd975c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572435229065216/1572435234832384/STEM/5042f0287e4f4621be80c7f859834a9b.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐1】对于定义在区间
上的函数
,若
.
(1)已知
,
,
试写出
、
的表达式;
(2)设
且
,函数
,
,如果
与
恰好为同一函数,求
的取值范围;
(3)若
,存在最小正整数
,使得
对任意的
成立,则称函数
为
上的“
阶收缩函数”,已知函数
,
,试判断
是否为
上的“
阶收缩函数”,如果是,求出对应的
,如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68ce88b1ad931609aadd139181b3754.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679da8a975f3a340f456d205b9da9a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3a33f9a3fc234630807b0473aad7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944be6391e1c71d1b96544ee190c3ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37034796b4a3dc9acfbcf3e6009631e6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a1df927c1e4941287d10a6ea8fc12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944be6391e1c71d1b96544ee190c3ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366dab2685bb4dd800d52435a8c364ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b20ce0da286770263ad02b12b3bff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e207cf62e3a7e282eac4c4a3455bbf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c78f63459505c64effea0d071eae2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8d7032a512f70f4cf4e1712ed8ba8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数
,函数
.
(1)填空:函数
的增区间为___________
(2)若命题“
”为真命题,求实数
的取值范围;
(3)是否存在实数
,使函数
在
上的最大值为
?如果存在,求出实数
所有的值.如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585dcceddb1b3d07043f5ce8870f1ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabbf9e7b54d06ae9eaa6352a8e38b3b.png)
(1)填空:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675c4189104c1932b9827e75f1e8f6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eadd716d81c2e9bddd5a42546a29a1fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次