画出下列函数的图象:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f401c3ce12d696d83dc4c0b64f4aa95.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f401c3ce12d696d83dc4c0b64f4aa95.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468e22ffb7ea8a9b3cca754c4df30295.png)
更新时间:2017-02-08 08:58:31
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【知识点】 函数的图象
相似题推荐
解答题-作图题
|
较易
(0.85)
名校
解题方法
【推荐1】已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/b80c77fe-d45d-4ad4-a711-3fb9a79e87f4.png?resizew=223)
(1)把该函数解析式写成分段函数形式,并在如图所示的网格纸中作出该函数的图象;
(2)记该函数的最小值为
,若
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a220c2283c4aa7eff3d5292a3efd3e32.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/b80c77fe-d45d-4ad4-a711-3fb9a79e87f4.png?resizew=223)
(1)把该函数解析式写成分段函数形式,并在如图所示的网格纸中作出该函数的图象;
(2)记该函数的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f35f52a876ae01a7fafd71c63f12834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac42025e439a68768819900999631ed3.png)
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解答题-作图题
|
较易
(0.85)
名校
【推荐2】已知函数
是定义在
上的偶函数,已知当
时,
.
![](https://img.xkw.com/dksih/QBM/2018/10/12/2052066524643328/2058620192636928/STEM/478c9daa2a264e6f9634722e7cc34f99.png?resizew=218)
(1)求函数
的解析式;
(2)画出函数
的图象,并写出函数
的单调递增区间;
(3)求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b2c7bab74da9c91cb1044ce47ae6ba.png)
![](https://img.xkw.com/dksih/QBM/2018/10/12/2052066524643328/2058620192636928/STEM/478c9daa2a264e6f9634722e7cc34f99.png?resizew=218)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2850764459f4cca23c9c21fe1d8879f7.png)
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