1 . 设函数
,则满足
的
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738fc31f597e65c30ff14d46fb345dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef61cd1ac903c296d967ae673b26c83b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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2 . 已知函数
若存在
,
且
,使得
成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd02251f7505c7b69ba491359833444c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2037b0bad7c7a312bac1ac0653d9a491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-12-07更新
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881次组卷
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3卷引用:江苏省常州高级中学2020-2021学年高一上学期期末数学试题