已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e26788a11b37ce305f080e5b24a3bc.png)
.
(1)求函数
的单调区间;
(2)求函数
的零点个数;
(3)当
时,求证不等式
解集为空集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e26788a11b37ce305f080e5b24a3bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576e46387412fddf8bc25fda0441b090.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9959538ec4a4fe97c14d5149426fa50.png)
19-20高三上·北京通州·期中 查看更多[3]
北京市通州区2019-2020学年高三上学期期中数学试题湖北省黄石市第一中学2019-2020学年高二下学期期末数学试题(已下线)专题03 拿高分题目强化卷(第三篇)-备战2021年新高考数学分层强化训练(北京专版)
更新时间:2019-11-11 20:53:49
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【推荐1】已知函数
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【推荐1】已知函数
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