已知函数
.
(1)求不等式
的解集;
(2)设关于
的不等式
的解集为
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f9025a2989111e5b85ac50c8f2adf2c.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a3383b9a93513ade3d7b4477533833.png)
(2)设关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0602abcfe962df38618e783182aaf579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d812a5ad7144a66176442007a4509d57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2020-02-18 07:11:53
|
【知识点】 分类讨论解绝对值不等式解读
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
,
.
(Ⅰ)当
,求不等式
的解集;
(Ⅱ)若函数
满足
,且
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e01dff5d10e9427471993c504a6ed3.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d7fbcc396c7b646c31f60e32d9e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4955c5adc717b7f6f0b975e0724ff5.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b60d4e0908dd8f64bb8251f6a25d1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1171def9ed1d312f782172431b2497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】 已知函数
的最小值为2.
(1)求实数
的值;
(2)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0b6b50275a93340433c62f2209eccc.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f492c55829ecc0d0fa05ffe90545ca50.png)
您最近一年使用:0次