设命题
:“已知函数
对一切
,
恒成立”,命题
:“不等式
有实数解”,若
且
为真命题,则实数
的取值范围为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/42d4e94fa00e4980b8c47f288c25f485.png?resizew=123)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/fe921d2747434ab3a85ab34039a48fe1.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/972fd48f19e84b4d895c0fdc95d2d9e8.png?resizew=62)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/922b026eb0f8412bb00f4f3bfcd41d5f.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/182b0e45fc554528bb40c803194d6e3f.png?resizew=26)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783838208/STEM/061dd3735bcd4cfca4fcbda7110dcbcc.png?resizew=17)
2016高二·全国·课后作业 查看更多[2]
更新时间:2017-11-27 15:48:28
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【知识点】 根据或且非的真假求参数解读
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