名校
解题方法
1 . 已知函数
,下列结论中正确的个数是( )
①
的图象关于
中心对称;②
的图象关于
对称;③
的最大值为
;④
既是奇函数,又是周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599f80d3171bb3f6e63a25de0b6c611a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f842215b0b8e014bf37ae2d28b20af91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2021-11-27更新
|
544次组卷
|
3卷引用:吉林省长春市十一高中2021-2022学年高三上学期第二学程考试数学(理)试题
名校
2 . 下列函数中最小正周期为
的函数的个数( )
①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3b449ffe9403b417444df7bd6c523a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126108a91afba5f922bfee4a3e5bbf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062b8a37477e7dc326df0d5d586a6a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3b449ffe9403b417444df7bd6c523a.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2020-11-12更新
|
1281次组卷
|
8卷引用:吉林省吉林市2021届高三上学期第一次调研考试 数学(理)试题
名校
解题方法
3 . 已知函数
,若
在区间
上有
个零点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701bfcc647f13b651074752efcaeca64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd4ff10779051322066eb9c45fe6569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f912a2386fa1e23680ccc5b2393c8473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee4e102c8cfcc1e6c3cd3f3e022f649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed2aa906b3f54cfaa057dd6cb4ee6cf.png)
A.4042 | B.4041 | C.4040 | D.4039 |
您最近一年使用:0次
2020-05-04更新
|
688次组卷
|
6卷引用:吉林省白城市通榆县第一中学2020-2021学年高三上学期第一次月考数学(理)试题
名校
4 . 下列函数中,最小正周期为π,且图象关于直线x=
对称的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-12-25更新
|
1544次组卷
|
3卷引用:吉林省实验中学2019-2020学年高一上学期第二次月考数学(理)试题
5 . 给出下列命题:(1)函数
与函数
的图象关于直线
对称;(2)函数
的最小正周期
;(3)函数
的图象关于点
成中心对称图形;(4)函数
,
的单调递减区间是
.其中正确的命题序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9069dafb6220ddde059117ed588c4cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8d4e14aaea9ae3da220cbed5448586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802ac9e74e56ad33f963f959137f11a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f6fe1dcaf07b9440b5991a721a3517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681a1353f18c80ff5553c2676bb23aba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393b3bacc16708ca73eff1451cb429d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64f51619b01e6c49f15a0292ac0778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad867ba5b2098869ad99be877ffbfbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c07cd9395fc8e690ad7049490ef8567.png)
您最近一年使用:0次
2020-11-14更新
|
360次组卷
|
3卷引用:吉林省吉林市吉化第一高级中学校2020-2021学年高一上学期第一次月考数学试题
11-12高三·吉林·阶段练习
6 . 已知
,
,
的最小值为
,则正数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8582aeb1f6f7904480425d5543648648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d320a78cc762dfd1cb0a6f3b9c5c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
您最近一年使用:0次