选修4-5:不等式选讲.
已知函数
,
,
的解集为
.
(Ⅰ)求
的值;
(Ⅱ)若
,
成立,求实数
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0437028493de207cc48b9a7351f721b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d86ee75bfcd4d1b044e9a21c5a0f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0191d57b7d98e205d86e624ffcbbc33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896a905472979b76f836876ddba638d5.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa13a65fc4a12133f9835396d79e989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2016-12-04 02:10:22
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解题方法
【推荐2】已知函数
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知函数
,
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时,求不等式
的解集;
(2)若不等式
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,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2b1897d77ff3edc4e6a77924a4482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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