20-21高一上·江西南昌·阶段练习
名校
1 . 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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20-21高一上·江西南昌·阶段练习
名校
2 . 已知
,
,
,
是从A到B的映射,若1和8的原象分别是3和10.则5在f下的象是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3be879e2b7453bba2e64acc828583d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ae23cf6a2823451f9676220b32c782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fddd91e7aa0cae97116c69df85feb7.png)
A.3 | B.4 | C.5 | D.6 |
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3 . 在映射
中,
,且
,则
中的元素
在集合
中的原象为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8285e52ba41b3b18c31c5eb0baccf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109a99febf581b7fd91821c9595af41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 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)
您最近一年使用:0次
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
5 . 设集合
,定义在集合
上的映射
;
,则
在映射
下的像为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72ac01652a1366d9ef302235ead3f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3475528c7ed713131601d235f3dcd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0924ff22fff9f5639feb0ceeece80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知点
在映射
的作用下对应点是
,若点
在映射
的作用下对应点是
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfe9e20b4dadc30e91cdcdf8af3a284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b0f62f752cbc065b6178e1db118c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837a9087a17ac6451773ddcf04be9c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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7 . 设映射
:
是实数集
到实数集
的映射,若对于实数
,
在
中不存在原象,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edd6bcdbfa782b10209661596df3ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c14ba023acde380620b99bcea9ab9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10-11高三上·河南·阶段练习
8 . 设f、g都是由A到A的映射,其对应法则如下表(从上到下):
表1 映射f的对应法则
表2 映射g的对应法则
则与f[g(1)]相同的是 ( )
表1 映射f的对应法则
原象 | 1 | 2 | 3 | 4 | ||
象 | 3 | 4 | 2 | 1 | ||
原象 | 1 | 2 | 3 | 4 | ||
象 | 4 | 3 | 1 | 2 |
表2 映射g的对应法则
则与f[g(1)]相同的是 ( )
A.g[f(1)] | B.g[f(2)] | C.g[f(3)] | D.g[f(4)] |
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9 . 已知映射
,则17的原象是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46662493de740f6a64fac0462b51d98.png)
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10 . 在映射f:
中,
,
,M中的元素
对应到N中的元素
,则N中的元素
的原象为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef4609431a6fc9f2755d8e8ca6617b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204c5b48a5fcd1e8406b3972fae8aa05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dcae7a5141e478f6655c1ea2d59a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8ca56db004035a7fa885b8971ebd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb189381103ad1e758fd8cfedb6355.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2020-02-28更新
|
93次组卷
|
2卷引用:江西省宜春市第九中学2020-2021学年高一上学期第一次月考数学试题