已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d3184cd6c536c111c994f861b02ddf.png)
(1)当
时,判断函数的单调性;
(2)若
恒成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d3184cd6c536c111c994f861b02ddf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
20-21高二下·黑龙江大庆·期末 查看更多[3]
黑龙江省大庆市实验中学2020-2021学年高二下学期期末考试数学(理科)试题(已下线)2021年全国高考甲卷数学(文)试题变式题16-20题福建省福州市福清西山学校2022-2023学年高二下学期5月月考数学试题
更新时间:2021-08-15 21:29:35
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【推荐3】已知函数
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