已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f292ac722c41249cbf50b75b1dc833a.png)
(1)记
,讨论
的单调性;
(2)若对
,都有
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f292ac722c41249cbf50b75b1dc833a.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585de67a3fc494297d375d339af6d153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d274b4edbba503ea1b3ac1e3d1bbfe91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e66e29e6bc5eb68dd4972315918b7be.png)
21-22高三上·湖北襄阳·期中 查看更多[3]
更新时间:2022-11-06 09:49:17
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【推荐1】【江苏省2018年高考冲刺预测卷一数学】已知
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(Ⅰ)求
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(Ⅲ)若不等式
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(2)若
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