1 . 二次函数f(x)的图像经过点
,且
,则不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df983d551dba9cb0ef487e772956f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1260dd197299edb6b6d156b5533a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfaf4def63c21ef9d6e07e4ba9a9ef99.png)
A.(-3,1) | B.(-lg3,0) | C.![]() | D.(-∞,0) |
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2016-12-04更新
|
693次组卷
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2卷引用:2018届陕西省西安中学高三上学期第一次摸底考试数学(文)试题
2 . 已知全集为
,集合
,
,则集合![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324014497792/1572324020051968/STEM/3bf82b286c634988b4057d35cc1c2d17.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324014497792/1572324020051968/STEM/072fea9369844c6590f9d5591648f94b.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324014497792/1572324020051968/STEM/6e1cccba6de147c795d2c1295793a834.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324014497792/1572324020051968/STEM/212b9e1e89c74001a2cd1be703c7d937.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324014497792/1572324020051968/STEM/3bf82b286c634988b4057d35cc1c2d17.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482f5b957045b4cd0ebbf85cd7faf7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf7e8bad7702e64d725d6f4af5358ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设集合
,集合
, 则![](https://img.xkw.com/dksih/QBM/2015/4/13/1572066739339264/1572066744573952/STEM/6bbb029f6c164c0b972290b4a191697c.png)
![](https://img.xkw.com/dksih/QBM/2015/4/13/1572066739339264/1572066744573952/STEM/e60d2b4f8f244dc98f97b3c8ff6219b6.png)
![](https://img.xkw.com/dksih/QBM/2015/4/13/1572066739339264/1572066744573952/STEM/68f292412cb448fbb678f34e5f503468.png)
![](https://img.xkw.com/dksih/QBM/2015/4/13/1572066739339264/1572066744573952/STEM/6bbb029f6c164c0b972290b4a191697c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
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374次组卷
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2卷引用:2015届甘肃省部分普通高中高三第一次联考理科数学试卷