已知函数
,![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/d08ccfb3717045d29f0bf1f35bff4a1c.png)
(1)当
时,求不等式
的解集;
(2)设
,且当
时,
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/0c43aa43e70f4fa49f596c73258f4d01.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/d08ccfb3717045d29f0bf1f35bff4a1c.png)
(1)当
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/1f6cbe6c860d40dab65a06ff08876d71.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/2dac5cdeafa347b59c3085852058bd1e.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/b01c0171e1f24099935797833917b8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2bb3cbea04e061b8562f9c08e353b3.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/b2f9e2e0bf4b492f8a373a93ff8fed46.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974831960064/1572974838095872/STEM/1695cf11f8bc451ea3e4188c282d11b1.png)
更新时间:2016-12-04 18:48:24
|
【知识点】 绝对值不等式
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知
.
(1)若
,求
的最大值.
(2)若
的最大值为
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02cd1e5affdf24278782d12d6bb8c9f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0818daf1a57c4b4c3666d411dcc76f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c572c3424cc8f12895f94ae0488dc3f.png)
您最近一年使用:0次
解答题
|
适中
(0.65)
【推荐2】选修4-5:不等式选讲
已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04af3afd7e470577e22c31498e39c080.png)
(1)求关于
的不等式
的解集;
(2)
,
,使得
成立,求实数
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04af3afd7e470577e22c31498e39c080.png)
(1)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608a57caffde627dbf140ca22a2ff8a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045748e3e58bfc29cf00ea0b80d2d56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0e7fc13df79412fea2f118a1391696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次