名校
1 . 解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7896918e00afa8ab7fc7a536d7206c4.png)
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2 . 已知函数
为偶函数,函数
为奇函数。
对任意实数x恒成立.
(1)求函数
与
;
(2)设
,
,若
对于
恒成立,求实数m的取值范围;
(3)对于(2)中的函数
,若方程
没有实数解,实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca705393a769bcb6f311adc423ae3c94.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45f3071c456623d3ece064a07a1de34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d328eba8ac2f3afba40b751af719252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33ff65cb33635c9219f5673956a83cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03f7ffe55f0bcc987d3a93e3f3f37fb.png)
(3)对于(2)中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4532f53b62d3d77675f5d5c7f0483.png)
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