已知函数
,其中
,
,
相邻两个零点的差的绝对值为1,其图象经过点
.下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa7fc5bff1a008f0bc00e155c5900fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6418dedc7805b6d52864ee0228dc51b.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
更新时间:2021-03-02 09:26:44
|
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【推荐1】函数
的图象如图所示,则下列有关
性质的描述正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/532e7ca1-d539-4ab9-852f-567fa170aab5.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d21a63b20d0881772413c41bbaf884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/532e7ca1-d539-4ab9-852f-567fa170aab5.png?resizew=147)
A.![]() |
B.![]() ![]() |
C.![]() |
D.![]() |
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解题方法
【推荐2】已知函数
,将函数
的图象上所有点的横坐标变为原来的一半,纵坐标变为原来的2倍,然后向上平移1个单位长度得到函数
的图象,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89c5e2ba5a29937426bb40a9fcb0715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() ![]() |
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【推荐1】已知函数
的最小正周期为
,将
的图象向右移
个单位长度,所得图象关于原点对称,则
的一个值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766395d5234107f0bededbfc93129a7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4862c361cb12b024ca062dd9d8999ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知函数
的图像与直线
的两个相邻交点的距离等于
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394a135ef481576f5ce1fc784c3cb940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.1 | C.2 | D.3 |
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【推荐3】函数
图像向右平移
个单位后所得函数图像与函数
的图像关于
轴对称,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f9707e8bd7a71770de914ec2bdb62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.2 | B.3 | C.4 | D.6 |
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