已知
是偶函数,当
时,
.
(1)求
的解析式;
(2)若不等式
在
时都成立,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/340390191bfb4696a56bca502d26a0ff.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/2e2a780f1103440cb67e3386077ee2bb.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/fc3d8ea247214f5fb43daacd37f4e7cc.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/e9f068791b33454bbcfebcaaaa35e176.png)
(2)若不等式
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/d087e64f62854ec79733b30a429018f1.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/5c62598bf8d8482eb72afd5cc09365b2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500246609920/1572500252721152/STEM/eb56260e64da47b09355021ca43e768b.png)
更新时间:2016-12-04 02:42:51
|
【知识点】 函数的奇偶性
相似题推荐
解答题-问答题
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较易
(0.85)
名校
【推荐1】已知函数
是定义域为
的奇函数,当
时,
.
(1)求出函数
在
上的解析式;
(2)画出函数
的图象,并写出单调区间;
(3)若
与
有
个交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
(1)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知函数
,
分别是定义在R上的奇函数和偶函数,且
.
(1)求
,
的解析式;
(2)已知
,且
,不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ae210dd892fc5428a51dd409aa69d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675fad1a87903a2fd1bf4b4c6464556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次