1 . 设
是定义在R上的偶函数,且对于
恒有
,已知当
时,
则
(1)
的周期是2;
(2)
在(1,2)上递减,在(2,3)上递增;
(3)
的最大值是1,最小值是0;
(4)当
时,![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/38364303de6845b7bf916224dbff36f8.png?resizew=89)
其中正确的命题的序号是____________________ .
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/f5eeedab6a214c33b9ffd038f6608b5d.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/8a9b2f3fc66346b4989a8a8e6557231f.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/4826473329354377be21d3aafc82bbf4.png?resizew=121)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/9b58db81ec2d41be8674a2cd528fc4a8.png?resizew=55)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/7a091d39b79048ae934c59fc3d6d21cc.png?resizew=93)
(1)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/f5eeedab6a214c33b9ffd038f6608b5d.png?resizew=36)
(2)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/f5eeedab6a214c33b9ffd038f6608b5d.png?resizew=36)
(3)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/f5eeedab6a214c33b9ffd038f6608b5d.png?resizew=36)
(4)当
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/6afa76b7a537469aa231078f3bc9d9df.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572075701403648/1572075707236352/STEM/38364303de6845b7bf916224dbff36f8.png?resizew=89)
其中正确的命题的序号是
您最近一年使用:0次
2 . 若存在实数
,使得
,则实数
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971779959dcae14388e439780869a5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1d3f44ce41a9636df31b23a9e9ede0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知函数
.当
时,
的单调递减区间为___________ ;
当
时,
的单调递增区间为___________ .
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572043361091584/1572043366825984/STEM/aa4a97d6e35d4618871c393dbc64f832.png?resizew=121)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572043361091584/1572043366825984/STEM/0816d0004b5446338d951cc061d21145.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572043361091584/1572043366825984/STEM/a6c15615cbdb45e5aea118dd68c574da.png?resizew=36)
当
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572043361091584/1572043366825984/STEM/e52baf5893db45e7b76a3b0162ee0551.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572043361091584/1572043366825984/STEM/a6c15615cbdb45e5aea118dd68c574da.png?resizew=36)
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4 . 若函数
是定义域为
的偶函数,则函数
的单调递减区间是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cc0b0282f60f2750923ffa797b2a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2016-12-03更新
|
1227次组卷
|
3卷引用:2015届上海市黄浦区高三上学期期终调研测试理科数学试卷
11-12高一上·河北石家庄·期中
真题
名校
5 . 设
,函数
有最大值,则不等式
的解集为 _______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e2a59609a05b0fc426843b4d283794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cceb907c0138ca531e082c8069c455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287adf39aae6d3121693ce7aa900b023.png)
您最近一年使用:0次
2016-12-02更新
|
835次组卷
|
9卷引用:2006年普通高等学校招生考试数学(理)试题(重庆卷)
2006年普通高等学校招生考试数学(理)试题(重庆卷)(已下线)2011年河北省正定中学高一上学期期中考试数学(已下线)2013届甘肃省甘谷一中高三第五次检测理科数学试卷(已下线)2013届山西省康杰中学高三第八次模拟文科数学试卷(已下线)2015高考数学(理)一轮配套特训:2-6对数与对数函数黑龙江省哈尔滨师范大学附中2018-2019学年高一下学期开学考试数学试题(已下线)考点07 指数函数与对数函数-2021年新高考数学一轮复习考点扫描(已下线)知识点 对数函数 易错点2 忽视对数函数定义域致误河北省唐县第一中学2022-2023学年高二下学期期中数学试题
11-12高一·天津武清·阶段练习
6 . 函数
的单调递减区间_____________
![](https://img.xkw.com/dksih/QBM/2012/10/26/1571037337772032/1571037343277056/STEM/5a565a66bf0942c4ad11548f05db23b9.png?resizew=103)
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11-12高一·全国·课后作业
7 . 函数
,使
是增函数的
的区间是________ .
![](https://img.xkw.com/dksih/QBM/2014/7/7/1571812019953664/1571812025294848/STEM/88e8c3cd25b6477f8cbebb44f9776ac7.png?resizew=97)
![](https://img.xkw.com/dksih/QBM/2014/7/7/1571812019953664/1571812025294848/STEM/01a36daf0c944e01b9a381a11b0a46bb.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2014/7/7/1571812019953664/1571812025294848/STEM/111babdedd9640b7af526a3963be60c4.png?resizew=14)
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2011高三上·山东菏泽·专题练习
8 . 给出下列四个命题:
①函数
(
且
)与函数
(
且
)的定义域相同;
②函数
与
的值域相同;
③函数
与
都是奇函数;
④函数
与
在区间
上都是增函数,
其中正确命题的序号是____________ (把你认为正确的命题序号都填上).
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](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/8bc4fbfbf459def913de664bc42535e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03df5fa9ddc83cadfa47366117fdadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5d555bafb40c3326fdd4b4746fc123.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72c36149bd2a42b7e05714cb3803e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca622842a43fd1bfe16868f801170b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
其中正确命题的序号是
您最近一年使用:0次
10-11高二·安徽·期末
9 . 不等式
的解集为__________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66ab06bca48b4ac2500805d3385a0a.png)
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11-12高三上·江苏无锡·期中
10 . 对于函数
定义域中任意的
有如下结论:
①
;
②
;
③
;
④
.
当
时,上述结论中正确结论的序号是___
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25af1963a9357e2c5eda379417be0bb5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814445ae55e7426277e0f6888603ab34.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd858820a22d764b2963b1321b5b3f60.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60025fe6bbfd7645844c9e3e7a5871e6.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
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