已知函数
(其中
),其部分图像如下图所示,将
的图像纵坐标不变,横坐标变成原来的2倍,再向右平移1个单位得到
的图像,则函数
的解析式为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/4c7e9df2-1687-43b8-8d4b-c30e05f308fe.png?resizew=212)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29ed6ec76fbe7f1b47987e211d766db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ddea77436f6d55da3efaf75763afc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/4c7e9df2-1687-43b8-8d4b-c30e05f308fe.png?resizew=212)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2016-12-03 08:24:48
|
相似题推荐
单选题
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适中
(0.65)
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea769ef31f33dab3a950d37b427f1bca.png)
的部分图像如图所示,则函数
图像的一个对称中心可能为( )
![](https://img.xkw.com/dksih/QBM/2018/2/11/1879910356279296/1881681093697536/STEM/8f102c0cc5154478a47babac8aa9b7aa.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea769ef31f33dab3a950d37b427f1bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179e3399d3bd99675b19a2ec8484a303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ec02f4e1346ccd3b037a3180c55cf.png)
![](https://img.xkw.com/dksih/QBM/2018/2/11/1879910356279296/1881681093697536/STEM/8f102c0cc5154478a47babac8aa9b7aa.png?resizew=217)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
【推荐2】
的部分图象如图所示,给出下列结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/27/55b0d86f-f2c1-4606-82a7-acc13fa312ea.png?resizew=126)
①
的图象关于直线
对称;
②
;
③该图象可由
的图象向左平移
个单位得到;
④
在
上单调递减.
其中所有正确结论的序号是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/27/55b0d86f-f2c1-4606-82a7-acc13fa312ea.png?resizew=126)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5deda71e149a44da197279bfb2a876bc.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a3463ef98f040fbadcb0989d1d9582.png)
③该图象可由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08921a72d608d1618d765569e752a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f79426d6c471898ea67c06103e9ad85.png)
其中所有正确结论的序号是( ).
A.①② | B.①②③ | C.②④ | D.①③④ |
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【推荐3】已知函数
,
,
,
的部分图象如图所示,则使
成立的
的最小正值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531426050588672/2532439852695552/STEM/31cbc91a78e84adfae4c127631e7629d.png?resizew=237)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe722fdd5219c3bb5b4451c6bdefc67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90802cba13abbaae4a13e4709fc6e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e6d4553a0c8a26396abf5366820f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531426050588672/2532439852695552/STEM/31cbc91a78e84adfae4c127631e7629d.png?resizew=237)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】函数
的图象向右平移
个单位长度后得到函数
的图象,当
时,方程
在区间
上所有根的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcae024bdb1632e157a499d507a3f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882b660047bb6ded500cedba57958e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37aaad788033e00a5b0ec2ce73786f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】若将函数y=sin(2x
)的图象向右平移
个单位长度,平移后所得图象为曲线y=f(x),下列四个结论:
①f(x)=sin(2x
)
②f(x)=sin(2x
)
③曲线y=f(x)的对称中心的坐标为(
,0),(k∈Z)
④曲线y=f(x)的对称中心的坐标为(
π,0)(k∈Z)
其中所有正确的结论为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5ab3bd25fe323747ad8fcc85eb6266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bf9e42f4ba6772a859da00df960714.png)
①f(x)=sin(2x
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bc838a77f5a97178129cb9536a8031.png)
②f(x)=sin(2x
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6214f14877d8a997f7c7eda77a589d31.png)
③曲线y=f(x)的对称中心的坐标为(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4da6dfd0289b7722b59549e500f52d.png)
④曲线y=f(x)的对称中心的坐标为(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef242cae4f6b0f33b51145ea58a8dcb.png)
其中所有正确的结论为( )
A.①④ | B.②③ | C.②④ | D.①③ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐3】将函数
图象向右平移
(
)个单位,得到函数
的图象,若
在区间
上单调递增,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9008d1da153965d1210fee62f29fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f4acbe230001ea86b03440b25e8045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次