12-13高三·黑龙江哈尔滨·阶段练习
1 . 若
,不等式
的解集为
,关于
的不等式
的解集记为
,已知
是
的充分不必要条件,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf18a2fdbd60af342296038bffa27781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c72d250a079379c5175693c165248c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0019345bd795a44709d7ddf1895f350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
.设关于
的不等式
的解集为A.若
, 则实数
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572965187764224/1572965193334784/STEM/6536cc17e3e64e84a7344761c08cfc19.png?resizew=108)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572965187764224/1572965193334784/STEM/4f44302c8e484a0597dc70180ea91e8d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572965187764224/1572965193334784/STEM/99315f2fbdba450b9555c65bee284ce0.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572965187764224/1572965193334784/STEM/5bd13c292b8e4864905025aa8fdfec1c.png?resizew=88)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572965187764224/1572965193334784/STEM/10abac3840cf4a4daec3e9b586770761.png?resizew=13)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次