名校
1 . 已知点
在映射
作用下的象是
,
,
,则点(5,1)的原象是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96922ebe790f30854a4b9459f841556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a522beb24be7c3dbbff09ec49fcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
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名校
2 . 已知映射
,则在映射
的作用下元素
的原像为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27787e54bc5217c1c65823bf8e58c8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4d63efe3b074b8644890d2c4902f26.png)
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名校
3 . 给定映射
,在映射f下象
的原象是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451270bcd703b4d5f4a8a004aab0336a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
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20-21高一上·广西南宁·阶段练习
4 . 已知映射
:
由表给出,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012a1a6fe832147ecabfd6365f23680d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
![]() | 1 | 2 | 3 | 4 |
![]() | 4 | 3 | 1 | 2 |
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20-21高一上·江西南昌·阶段练习
5 . 已知从集合A到集合B的映射满足
,若
,则B中与之对应的元素为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d5159251e1a901874527dc98aaf43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a234a21ceffb80072a599edecd6002.png)
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20-21高一上·江西南昌·阶段练习
名校
6 . 已知
,
,从集合A到集合B的映射
,则B中元素
的原像为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253dde017caeab01faed934959a2f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e84710fa14977c09a2f851b83bcb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156437ab4b456f08420f31146d64e790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ab109ec88d6f3d24b2f01ca77e7038.png)
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7 . 定义区间
长度为
,区间
在映射
所得的对应区间为
,若区间
的长度比区间
的长度大
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3f7f762131c77a3c8440b4a3bc1d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f512a51125ce645c7fd2488aa9224aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3f7f762131c77a3c8440b4a3bc1d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-10-16更新
|
118次组卷
|
2卷引用:四川省成都市第二十中学校2019-2020学年高一10月月考数学试题
20-21高一·全国·课后作业
8 . 设
,已知映射
,与
中的元素4相对应的
中的元素是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3be879e2b7453bba2e64acc828583d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b7d358b8adc6bd47128672e2345d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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20-21高一·全国·课后作业
9 . 在给定
的映射
下,集合
中的元素
对应着
中的元素__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acae4bf2a6bead9d904b70d0480fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69936eddaa8ea14a8433be89186ff89f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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名校
10 . 已知映射
,则17的原象是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46662493de740f6a64fac0462b51d98.png)
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