1 . 下列对应关系是从
到
的函数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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2 . 设
是集合
到
的映射,其中
,
,且
,则
中元素是2的元素为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b9f70cab8216ee48ef1565578e30383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e84710fa14977c09a2f851b83bcb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc7c4f77f60186806717d7cd8be8b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.3或-1 | B.-1 | C.3 | D.![]() |
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3 . 已知集合
,
,且从
到
的映射
满足
,这样的映射共有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbefb4190e6d31cf43ce5258ebf325c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82eaee1110e16aea8c59a0a701e5d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f39001eda1eab65ca70a6cf924c28d.png)
A.4个 | B.3个 | C.9个 | D.16个 |
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2019高三·全国·专题练习
名校
4 . 若映射f:A→B,在f的作用下A中元素(x,y)与B中元素(x-1,3-y)对应,则与B中元素(0,1)对应的A中元素是________ .
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12-13高一上·重庆·期末
名校
5 . 已知映射
,在映射
下
的原象是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cb2992c5865c12a32dde677e8c8034.png)
![](https://img.xkw.com/dksih/QBM/2013/3/7/1571131551883264/1571131556806656/STEM/906b63825f4848b799cc0fdaae2bc009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891b0c387dca4f1504bf10940f94d308.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-02更新
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1165次组卷
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4卷引用:2012-2013学年重庆市重庆一中高一上学期期末考试数学试卷
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