11-12高一上·北京·期中
名校
1 . 设
为定义在
上的偶函数,当
时,
;当
时,
的图像时顶点在
,且过点
的抛物线的一部分
(1)求函数
在
上的解析式;
(2)在直角坐标系中直接画出函数
的图像;
![](https://img.xkw.com/dksih/QBM/2011/11/17/1570355930234880/1570355935797248/STEM/965953bd-80db-4de5-a0fa-c7edac382074.png)
(3)写出函数
值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966d9dd819cba29980da3700422c2497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b8f3c956e2186dfd515051d64475db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76bad38b4993c2f60bc158f8db779a2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185262b67f0edc28a061852e2850bef2.png)
(2)在直角坐标系中直接画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2011/11/17/1570355930234880/1570355935797248/STEM/965953bd-80db-4de5-a0fa-c7edac382074.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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