已知函数
.
(1)当
时,求函数
的单调区间;
(2)若函数
在区间
上为减函数,求实数
的取值范围;
(3)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463330319a30ab7f8eb4bc18ce7ac917.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2806feb02d7c96484db00771ae757a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29d76a0016938b70255fd04b30ec2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f408648547408fab1ec0e703a989baaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c579db2839987c3d2d77a1ec05a284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
14-15高三上·广东珠海·期末 查看更多[3]
(已下线)2014届广东珠海高三上学期期末学生学业质量监测理数学卷(已下线)2013-2014学年河北省邢台一中高二下学期第一次月考理科数学试卷(已下线)北京市第四中学2024届高三上学期10月月考数学试题变式题16-21
更新时间:2016-12-02 17:33:15
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