1 . 已知函数
是定义在R上的周期为2的奇函数,当
时,
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843b4c645de56270f5ea5285a8d107bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c164ef82698fd0510ec3990042ff3591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ce9c420167bf5eb221586613452ebd.png)
A.-2 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2018-07-31更新
|
667次组卷
|
2卷引用:四川省泸州市泸县第一中学2019-2020学年高一上学期期中数学试题
2 . 定义在
上的函数
满足
,
,且
时,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1db6c94b94afc372212a81cc1f4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfafb232fd46f4640e6d4c4055eba12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28756a5331680dd6bd6ab0927ccb3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146c341300cf39ffad034049cca5fa8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430941edae83b48b9decb4cbda4e8c4e.png)
您最近一年使用:0次
2018-07-02更新
|
770次组卷
|
3卷引用:四川省泸州市泸县第五中学2019-2020学年高一上学期期中数学试题
名校
解题方法
3 . 偶函数
满足
,且在
时,
,
,则函数
与
图象交点的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db3c6d62b4dede7a31a003c0f6f20c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0510d509028eefa7d073fa27947e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2016-12-04更新
|
228次组卷
|
3卷引用:四川省凉山木里中学2017-2018学年高二下学期期中考试数学(文)试卷
解题方法
4 . 函数
对于任意实数
满足条件
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ff9e499a5ddda49cac94421c67e326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a182bc70612b5d361c3caeadfea19fa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b14843feadc13d58538696c4bc74f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
14-15高一上·四川成都·期中
解题方法
5 . 已知下列四个命题:①函数
满足:对任意
且
都有
;②函数
,
不都是奇函数;③若函数
满足
,且
,则
;④设
是关于
的方程
且
的两根,则
,其中正确命题的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa2727bb567f666f04566295d83b03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800a9b5742c69aecf36493af333ca514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077b4a6df4563ab192f161aa93e167b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed47889e2018228380c924024c17bc8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbdf287587f43cb85bffc2b11cfd3dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa4d89c3506d555d7ad35b7c2d74f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d900314efb0e4cacb6e5de945b5397.png)
您最近一年使用:0次
14-15高三上·四川成都·期中
解题方法
6 . 给出定义:若
,则
叫做实数
的“亲密函数”,记作
,在此基础上给出下列函数
的四个命题:
①函数
在
上是增函数;②函数
是周期函数,最小正周期为1;
③函数
的图像关于直线
对称;
④当
时,函数
有两个零点.
其中正确命题的序号是____________________________
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/a9402b8cab8d4b57b48e9dcdc8a52f14.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/1c39a471301d47c7aa746653a3a047d6.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/8b6e022709b34664aa25695bf7f34f65.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/7051b7fa474948b49c1064c6516c7a04.png?resizew=53)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/83a78f2a05f14f2e8e5161470ed1ac2f.png?resizew=100)
①函数
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/99618c7d2f7a4a738f5bcc539ea807ea.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/c9ae43cf43e34625ba7f7993e88e6333.png?resizew=57)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/99618c7d2f7a4a738f5bcc539ea807ea.png?resizew=61)
③函数
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/99618c7d2f7a4a738f5bcc539ea807ea.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/0d13e75eaf9947e6b414245877ce6930.png?resizew=88)
④当
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/0e23a0e882094e7e92e89d6133b75430.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2014/12/18/1571929801785344/1571929806954496/STEM/7eed10b95879495d960c990c37918866.png?resizew=119)
其中正确命题的序号是
您最近一年使用:0次
13-14高三上·四川成都·期中
7 . 若
是任意非零常数,对于函数
有以下5个命题:
①
是
的周期函数的充要条件是
;
②
是
的周期函数的充要条件是
;
③若
是奇函数且是
的周期函数,则
的图形关于直线
对称;
④若
关于直线
对称,且
,则
是奇函数;
⑤若
关于点
对称,关于直线
对称,则
是
的周期函数.
其中正确命题的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c92f762652e758a704e26da76880e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69e1d195e1c8db175fcbc9326526ece.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c92f762652e758a704e26da76880e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378cb95209badfbf817682f6423ccd0b.png)
③若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/ce9d56d2eaa3493fbf341c2d00b5a5f3.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/23bf44c1841e4d3fa91f10715eb23a1e.png?resizew=41)
④若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/23bf44c1841e4d3fa91f10715eb23a1e.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/b37a67d258fd4475ad698567ec89c614.png?resizew=116)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
⑤若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/9c58d5f29b3049d09a232ee8d5029a57.png?resizew=44)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/90b0a3d940f2450c8e5ce63567a477e9.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/3c3fd8da0caa40de8d650bd0c5fe4350.png?resizew=83)
其中正确命题的序号为
您最近一年使用:0次