1 . 下列关于函数
的说法正确的是______ .
①
是
的函数;②
是
的函数;③对于不同的
,
也不同;④
表示当
时,
的函数值是一个常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2 . 已知两个函数
和
的定义域和值域都是集合
,其定义如下表:
则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26bbb11e932ddb26a9088e7fc33e87b.png)
x | 1 | 2 | 3 | x | 1 | 2 | 3 | |
2 | 3 | 1 | 1 | 3 | 2 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f565e56f7966eae71a40a93d095fc1.png)
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2023-11-10更新
|
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|
3卷引用:云南省开远市第一中学校2023-2024学年高一上学期期中考试数学试题
3 . 已知函数
的定义域为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d60ac8530602d142ef15379fae808.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc618aed879210685c9202520b85a833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d60ac8530602d142ef15379fae808.png)
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4 . 函数
为
上的奇函数,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078f13215c18498f46a4449144bb4e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
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2022-10-30更新
|
1171次组卷
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5卷引用:云南师范大学附属中学2022-2023学年高一上学期教学测评期中卷数学试题
5 . 已知集合
,集合
,函数
,且对于一切的
,都有
,则满足条件的函数f的个数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eafe3e832962f9620d13eb07e75e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ccb9921d56ccf3a24c665dfc1cdfd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3603b6c981e4f8d202f1754a9ce87764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb7bb640b5381253b71a65b46c91b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb6804970ef49ce24a8629f3bab5648.png)
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2022-10-20更新
|
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2卷引用:云南师范大学附属中学2022-2023学年高三高考适应性月考卷(四)数学试题
名校
解题方法
6 . 已知
为一次函数,且
,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac350c8bb8791f03272728c263fe50d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
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4卷引用:云南省昆明市新迎中学2020-2021学年高一上学期期中考试数学试题
云南省昆明市新迎中学2020-2021学年高一上学期期中考试数学试题黑龙江省鹤岗市第一中学2022-2023学年高二下学期6月月考数学试题湖北省宜昌市宜都市第二中学2023-2024学年高一上学期10月月考数学试题(已下线)艺体生一轮复习 第三章 函数与导数 第9讲 函数的概念与表示【讲】
名校
7 . 已知
则,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6646ee1281b3b22e6a6ded9da1f9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
您最近一年使用:0次
名校
8 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4e3838d6e4ea8e3defd8401b305774.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73edfbc2e90a9f6e62a1a1621cc92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a9be228251278762249069a3a929e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4e3838d6e4ea8e3defd8401b305774.png)
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2021-11-08更新
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名校
解题方法
9 . 已知
,
,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85804078f9b6bf7e19e4cb534c8782f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba16ff627ff5fc409edf4166f76f81b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-12-23更新
|
591次组卷
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4卷引用:云南省玉溪第一中学2020-2021学年高一上学期期中考试数学试题
10 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943891d224261cfd87992411ebe40aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
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2020-12-09更新
|
399次组卷
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