名校
1 . 已知函数
,它的周期为________ ;若它的图象关于
对称,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cfc4fce52708f0bab438dcd1fd17a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
您最近一年使用:0次
解题方法
2 . 已知函数
,则
的最小正周期是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee56335b071054eb47d1a502a8b59b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
您最近一年使用:0次
2016-12-04更新
|
1151次组卷
|
2卷引用:2017届山东肥城市高三上学期升级统测数学(文)试卷
3 . 关于函数
,有下列结论:
①
的最大值为
;
②
的最小正周期是
;
③
在区间
上是减函数;
④直线
是函数
的一条对称轴方程.
其中正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962ca82dc17ab2fa859654f73b869680.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5579ec762914bd7043853af67f8382c8.png)
④直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
其中正确结论的序号是
您最近一年使用:0次
解题方法
4 . 将函数
的图像上各点的横坐标缩小为原来的一半,纵坐标保持不变得到新函数
,则
的最小正周期是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82601c523746c99437fb8f9d0007e806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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10-11高一下·黑龙江大庆·阶段练习
5 . 函数
的最小正周期是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0095cc403dafa0e40f7263970e6b674e.png)
您最近一年使用:0次
10-11高二下·河北衡水·期末
6 . 某程序流程框图如图所示,现执行该程序,输入下列函数
,
,
,则可以输出的函数是
__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7026b66166864ef379b5b0f36d960cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ae8cc53b097828a130d89a72a1a035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151dc0eb70fcc3cbfdaa71b7e77b318b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://img.xkw.com/dksih/QBM/2011/8/4/1570280056799232/1570280062238720/STEM/2654d0e2-4a27-4d48-95fd-8fd597814d51.png)
您最近一年使用:0次
11-12高三上·安徽蚌埠·期中
7 . 关于函数
有下列命题:
①函数
的周期为
;
②直线
是
的一条对称轴;
③点
是
的图象的一个对称中心;
④将
的图象向左平移
个单位,可得到
的图象.
其中真命题的序号是_____________ .(把你认为真命题的序号都写上)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/b895bec9d6b64aa6b28c35e6ddd2cec4.png?resizew=144)
①函数
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/3e1e6d03a481486198fe120940d3d2f8.png?resizew=58)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/6daf46c2c0314fca9cfb748eac7be159.png?resizew=19)
②直线
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/5b7248f49ce44215a1e472966d93d4a9.png?resizew=38)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/3e1e6d03a481486198fe120940d3d2f8.png?resizew=58)
③点
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/4246bfb9ec2f46c48e1597c9e4d76ad7.png?resizew=38)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/3e1e6d03a481486198fe120940d3d2f8.png?resizew=58)
④将
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/3e1e6d03a481486198fe120940d3d2f8.png?resizew=58)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/cbdc1bcd37124b6ab4af8b02e0ec6841.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2012/6/17/1570889098919936/1570889103900672/STEM/efd4ca68fe9642d69fb867ceb35d77ab.png?resizew=86)
其中真命题的序号是
您最近一年使用:0次
解题方法
8 . 已知
的周期为
,且
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa2660d7c4f12162a9f9b799685f963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22eeb64704c97ba9fcc49f013f0b370.png)
您最近一年使用:0次
12-13高一上·山东济宁·期末
9 . 已知函数
,给出下列命题:①
的图象可以看作是由
的图象向左平移
个单位而得;②
的图象可以看作是由
的图象保持纵坐标不变,横坐标缩小为原来的
而得;③函数
的最小正周期为
;④ 函数
是偶函数.其中正确的结论是:_____ .(写出你认为正确的所有结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ebfa038ce0e573f72604b896881bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bb58c293cee6d5d430b74582ec524c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081b1439dd4a3f6dafec805b6785700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081b1439dd4a3f6dafec805b6785700.png)
您最近一年使用:0次
10 . 设函数
的部分图象如图所示,且满足
.则
的最小正周期为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3819a1dab9af4238e5846f2f30dd0824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30cc663c4d6943a2754c67346b41163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次