13-14高三上·安徽淮南·阶段练习
1 . 关于
的不等式
的解集为
,则实数
的取值范围是_______________ .
![](https://img.xkw.com/dksih/QBM/2013/12/27/1571436523700224/1571436529401856/STEM/fd1941f5ed544c2b965aefc8cd006c46.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2013/12/27/1571436523700224/1571436529401856/STEM/b5c976fd900d4b4e9d088a23d92ec0ae.png?resizew=145)
![](https://img.xkw.com/dksih/QBM/2013/12/27/1571436523700224/1571436529401856/STEM/2234f8d9755244bd96959638cc42bc82.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2013/12/27/1571436523700224/1571436529401856/STEM/9274a83534e84792bdbc83600980fe15.png?resizew=13)
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2 . 选修4-5:不等式选讲
已知函数
.
(1)解不等式
;
(2)若存在实数
,使得
,求实数
的取值范围.
已知函数
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572386129387520/1572386135826432/STEM/70c72ecf4bf44b609975cc5d5ec36c24.png)
(1)解不等式
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572386129387520/1572386135826432/STEM/108cc8743997486b81b6733cdb2b8ddd.png)
(2)若存在实数
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572386129387520/1572386135826432/STEM/5db9083a5f6d486389e387a23bfe92a2.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572386129387520/1572386135826432/STEM/5343a8c4290848c69b81817786eccf44.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572386129387520/1572386135826432/STEM/810edf4f00ee41aa8135eb697a88b22a.png)
您最近一年使用:0次
2016-12-03更新
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10次组卷
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5卷引用:2017届安徽寿县一中高三上学期月考二数学(文)试卷