名校
1 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9051e3a3aa3ed7556218aae69ea1b64e.png)
(1)若关于
的方程
的解集中恰好有一个元素,求
的取值范围;
(2)若
,函数
在区间
上最大值不超过最小值的2倍,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9051e3a3aa3ed7556218aae69ea1b64e.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c17e8e43f8cea20a6e632532a4490f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db33d0946b251f382f2d3ec95eb8f0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-03更新
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623次组卷
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4卷引用:重庆市渝北中学校2021-2022学年高一上学期阶段一质量检测数学试题