21-22高一下·江苏南通·开学考试
名校
解题方法
1 . 已知函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b3507f33c70ab49d30df52c8b82b60.png)
(1)若
的最小值为
,求
的值;
(2)若存在
,使
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63669c403ba7972d296968395ef293de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b3507f33c70ab49d30df52c8b82b60.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac32bfa7f2ef6610bd22bfda1294f5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-02-28更新
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6卷引用:黑龙江省双鸭山市第一中学2023-2024学年高一上学期12月月考数学试题