1 . 设全集
,若集合
,
,则
为
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572107878440960/1572107883577344/STEM/1640432c32124822ab146ee876c7f431.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572107878440960/1572107883577344/STEM/93f5b1c46363451dba9d7d87c0bb0dc6.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572107878440960/1572107883577344/STEM/d41c1827aefc4f71a223cdb45564f3c5.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572107878440960/1572107883577344/STEM/1e94bdaa4bc448138e29e5fdb43a381f.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
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2卷引用:2015届天津武清杨村一中高三上学期第一次段测文科数学试卷
解题方法
2 . 已知函数
,
,
的零点分别为
,则
的大小关系为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6fa79bec07ea604cf4c080951a38eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82f474c8962bede6dd1e39d4be01369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85b3f93649ac6e1a61d3c905e5fe461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:2015届天津武清杨村一中高三上学期第一次段测理科数学试卷
3 . 设
且
,已知函数
是奇函数
(Ⅰ)求实数
的值;
(Ⅱ)求函数
的单调区间;
(Ⅲ)当
时,函数
的值域为
,求实数
的值.
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/64a759c37cf2444f9f63c8c28b820cd9.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/22a7ff71c88b410f8f9c42fa5721dba1.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/a39ac2bab728456f90f8ca106c19a3ba.png)
(Ⅰ)求实数
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/375632c22fe44470947258bb32176e6c.png)
(Ⅱ)求函数
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/cc14b08b1ca34f99bbb461825a398759.png)
(Ⅲ)当
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/de53cc874d66482695905ca30fc37d0f.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/cc14b08b1ca34f99bbb461825a398759.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/7ded698a38c24faea72c64a0adbe2c2f.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796949504/STEM/f748b943bf7a4c498ab3f6b945e6b8cb.png)
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4 . 当
时,
,则实数
的取值范围是
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796572672/STEM/68896361cd254b39bab8f39d060e2dc6.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796572672/STEM/1a34ef2b4680445bad56b69dede36937.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796572672/STEM/30f6458f044f4421bfb8248f117ac4b6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 函数
的值域用区间表示为________ .
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796769280/STEM/f764198462784b2ab10cd612bacc4c85.png?resizew=176)
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2卷引用:2015届天津武清杨村一中高三上学期第一次段测理科数学试卷