1 . 已知函数
满足下列条件:①对任意
恒成立;②
在区间
上是单调函数;③经过点
的任意一条直线与函数
图象都有交点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6025ecafd9731f4a0be27f2935a057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe67147e0f00094dc1dc6de550d005c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a3a775df23e4f10ac04fc9ca5682b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d691be2edded557b471748231afa39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知函数
的最小正周期为
,且
图象关于直线
对称.
(1)求
的解析式;
(2)设函数
,求
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aba15df910b857861d38f3259d926df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad679f0d589549d17390cf45fc65ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次