已知函数
.
(1)讨论函数
的单调性;
(2)若
,
且
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153cd3cf2735e526206d67a3122da189.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6895be1dd6e2bf07965c160c0d05a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f58d3bb7b610a380abfeec01f22482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
20-21高三上·重庆沙坪坝·阶段练习 查看更多[7]
重庆市南开中学2021届高三上学期第四次质量检测数学试题(已下线)人教A版选修2-2综合测试-2020-2021学年高二数学(理)下学期期末专项复习(人教A版)(已下线)河北省石家庄市精英中学2021届高三下学期阶段性数学试题(已下线)第五章 导数及其应用A卷(基础过关)-【双基双测】2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)江苏省镇江市扬中市第二高级中学2022-2023学年高二上学期期末考前热身数学试题(已下线)专题10 导数压轴解答题(综合类)-1江苏省镇江市扬中市第二高级中学2023-2024学年高三上学期阶段检测一数学试题
更新时间:2020-12-20 12:06:13
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(1)讨论
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(2)当
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330360951f01422f8ffa5a3199096225.png)
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(1)求
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(2)求关于
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373402709a8533bc1ad49d1e2e68cd2b.png)
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【推荐3】已知函数f(x)=xex,g(x)=a(lnx+x).
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(1)当a=e时,求证:f(x)≥g(x)恒成立;
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(2)若对任意
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【推荐2】已知函数
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(1)当
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(2)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
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(3)若不等式
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【推荐3】已知函数
.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9270ae8b7f0645abd282b05a031c9e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
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【推荐3】已知函数
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