名校
解题方法
1 . 已知函数
,
,
是方程
的两个不相等的实根,且
的最小值为
.
(1)求函数
的解析式;
(2)若
,
的值域是
,求m的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda68e0c12b3345172daedf055cd8a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a863376bdd801955a0f6e4ecf1daeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a9ef7c6c97e2f02c5505e43ea238e6.png)
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2021-03-02更新
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2645次组卷
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5卷引用:四川省达州市大竹县大竹中学2020-2021学年高一下学期5月月考数学试题