名校
1 . 已知
,则下列说法错误的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-10-29更新
|
358次组卷
|
3卷引用:河南省天一大联考2018届高三上学期阶段性测试二(10月) 数学(理)试题
2 . 若定义运算a⊙b=
,函数f(x)=x⊙(2﹣x)则f(5)=______
f(x)的最大值是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb35494ad1fe8cbeed18332610fed1a.png)
f(x)的最大值是
您最近一年使用:0次
3 . 设集合
,
都是坐标平面上的点集
,映射
满足
,则与
中的元素
对应的
中的元素为( )
![](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/445e07c05a9dc54a68eb4ee4c28aa58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e54ee89106dda15083ba2d89826a8ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1acc3d79e87fa8470dae4a5f22f9a319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 函数
的定义域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a7f2664b4c9312e76a1fd9847e9957.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-10-27更新
|
419次组卷
|
4卷引用:2016-2017学年山西榆社中学高一10月月考数学试卷
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5 . 设
(其中a、b、c为常数,
),若
,、则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb17a05a1ec70d32987db0c73d1521f.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c966bb2fbbbbf49ff699905d4da604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06feeace1d004475c2b1cbb9a745d877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb17a05a1ec70d32987db0c73d1521f.png)
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6 . 对于函数
,部分
与
的对应关系如下表:
数列
满足:
,且对于任意
,点
都在函数
的图象上,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
3 | 7 | 5 | 9 | 6 | 1 | 8 | 2 | 4 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e9b14c35ef3c57b20f5e952ebf9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302b13a66072fb0e9bc6eb06a2bef202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05cca80bd71958386766ae85b0a26d60.png)
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2017-10-25更新
|
259次组卷
|
3卷引用:陕西省西安中学2018届高三10月月考数学(理)试题
名校
7 . 设
为定义在
上的增函数,且
,对任意
,都有
.
(1)求证:
;
(2)求证:
;
(3)若
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1561755ad704b15aa34bf1c150f2b8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198f4f70e430ac5e70bcc06b37c2e289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccf360767df424d35336afc49a7f807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be401d270c26d386b23c92716825cd27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f100e4f68fbcf4127356fa2379073c.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b6c2d9e804dc87e5da1eee9fdd3e88.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f009f28b4db9c8c0b88b83d361cdfef.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b702b2f58ec31eb8c08fc9b0cbf68a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c2d5c6a9589c34fdc11c291bab72fc.png)
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2017-10-24更新
|
1709次组卷
|
3卷引用:河南省商丘市第一高级中学2017-2018学年高一上学期第一次月考数学试题
名校
8 . 对
,记
,则函数
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f649ba7e938f59e71bbcb4cc91ce06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18e0cdacb14b36ebbe304df18d950f4.png)
A.0 | B.1 | C.![]() | D.2 |
您最近一年使用:0次
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9 . 若
,则
的解析式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46514eb0943d7a1c350bf6b41f13ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-10-24更新
|
590次组卷
|
2卷引用:山西省实验中学2017-2018学年高一上学期10月月考数学试题
名校
10 .
,
,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011342dfb5752505318494337a40b78e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f0b59d15d59d00521958ecf7045d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e02378466ff452bc600936f6cdbdd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75e2907cba658eeaffee92873ed1528.png)
A.-3 | B.-5 | C.3 | D.5 |
您最近一年使用:0次