已知函数
的最小正周期是
,若将函数
向左平移
个单位后得到的函数是奇函数.
(1)求函数
的解析式,写出函数
的对称轴和单调区间;
(2)若
,求
的值域;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39d544ab5b60b4d8e0a6bace6132cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbd6c9affde05328b268537764dd1f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2017-12-04 09:02:39
|
【知识点】 求图象变化前(后)的解析式解读
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
的部分图像如图,该图像与
轴交于点
,与
轴交于点
,
两点,
为图像的最高点,且
的面积为
.
![](https://img.xkw.com/dksih/QBM/2018/7/16/1989781481816064/1991359456845824/STEM/5764bb12-36a6-44f5-b3a0-4ce838983c3a.png?resizew=216)
(1)求
的解析式及其单调递增区间;
(2)若将
的图像向右平移
个单位,再将所得图像上所有点的横坐标伸长为原来的
倍(纵坐标不变),得到函数
的图像,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc526400d040d002f7dc9c124d71874c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a84757fa1fc2e9bf6134c12dce7fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b506b0941433a6a5d5387d0ec95596ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://img.xkw.com/dksih/QBM/2018/7/16/1989781481816064/1991359456845824/STEM/5764bb12-36a6-44f5-b3a0-4ce838983c3a.png?resizew=216)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d405c53873e09d542e6c598147c2fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd2d53b0b1fc8824f9ce37285e18c3e.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
解题方法
【推荐2】某同学用“五点法”画函数
在某一周期内的图像时,列表并填入的部分数据如下表:
(1)请写出表格中空格处的值,写出函数
的解析式,并画出函数
的大致图像;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/164c8a95-e9a3-4822-8e56-68c29b749753.png?resizew=126)
(2)将函数
的图像向右平移
个单位,再将所得图像上各点的横坐标缩短到原来的
,纵坐标不变,得到函数
的图像,求
的单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575c9fb9e3fe4cb33d21cb34052090f8.png)
![]() | ![]() | ![]() | ![]() | ||
![]() | 0 | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | 1 | 0 | ![]() | 0 |
![]() | 0 | ![]() | 0 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/164c8a95-e9a3-4822-8e56-68c29b749753.png?resizew=126)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb13c41752688ec8361a81a634f9081.png)
您最近一年使用:0次