11-12高二下·辽宁大连·期中
解题方法
1 . 已知函数
为奇函数,满足
,且不等式
的解集 是
.
(1)求
的值;
(2)对一切
,不等式
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b67c63f92ae592039b8d3572d0fc212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0e5f52ee2233a6aa6e6ee1182fdb1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85312cae14a4a95744164338835f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1899d12e0a67afa5f585ee19af1878d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(2)对一切
![](https://img.xkw.com/dksih/QBM/2012/7/26/1570938534133760/1570938539655168/STEM/ce7ea0344f4a4c608410c0d9e1ec5678.png?resizew=37)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ace321d02b0b84496b7e41990678c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次