1 . 已知函数
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a285a090038481565313728124f57df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49ff5866359a931e98f3785b7d80654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 奇函数
定义域为
,其导函数是
.当
时,有
,则关于
的不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c61891c8d7ddf349a35d2cce45a1339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee51b5793209f06e9ca9ab2326d52f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb61f59cca3e482417b152af18be179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de11e8f7e63272ebbabd3a926e9a5550.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-07更新
|
1450次组卷
|
6卷引用:2016-2017学年河北省张家口市第一中学高二(衔接文科班)3月月考数学试卷