1 . 设定义在
上的函数
满足
,且对任意的
、
,都有
,则
的定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1f0f6f3aa606dca5774f944f29f988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84c5c7a0075f3d31a6def4fbf641dbc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-10-08更新
|
1939次组卷
|
4卷引用:2019-2020学年新人教版必修1第3章函数的概念与性质单元测试题
2019-2020学年新人教版必修1第3章函数的概念与性质单元测试题(已下线)专题3.1 抽象函数初步 A卷-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)江西省景德镇一中2019-2020学年高一上学期期中(1班)数学试题河南省濮阳市第一高级中学2021-2022学年高一上学期期中数学试题
解题方法
2 . 已知函数
,求函数
的定义域与值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272acdab355254e2007dac18b213a664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045f61bd1ad4b975ea37dcad5c87d26a.png)
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名校
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661423499533bb804466f330efc5f2e6.png)
当
时,求函数
的定义域;
若存在
使关于
的方程
有四个不同的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661423499533bb804466f330efc5f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84c5c7a0075f3d31a6def4fbf641dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd244aecc246c428b4c3f8d35ea6558f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-08-06更新
|
1610次组卷
|
2卷引用:广东省实验中学2018-2019学年高一下学期期末考试数学试题
名校
4 . 已知函数
的定义域为
,
为
的导函数,且满足
,则不等式
的解集是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da14260fd306a15674cb3be20766547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630f60940b61ac222db73ed56a417799.png)
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2019-04-11更新
|
1501次组卷
|
2卷引用:【全国百强校】黑龙江省鹤岗市第一中学2018-2019学年高二下学期第二次月考数学(文)试题
名校
5 . 已知
,
,
.
(1)求
的定义域和解析式;
(2)试讨论方程
根的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ad20cfab5a1bc3678bd147673a52c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c3fa9706da43cdf1a42c646374709a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a2b2e30ac8ef8c9c940b5ad69a6a4d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5790d5181783c15fd46d95bf18b796f0.png)
(2)试讨论方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37937af4d650f37d683d23888a715e8.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,
为方程
的解.
(1)判定
的奇偶性,并求
的定义域;
(2)求若不等式:
对于
恒成立,求满足条件的
的集合.(其中
为自然对数的底)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eed30daeac6e1bd4723174e487a0205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2226adc6098875141a6133ba0a9b800d.png)
(1)判定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求若不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e0e8367a67f8320181f0c0302c6607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
名校
7 . 下列命题中,正确的有( )个
①对应:
是映射,也是函数;
②若函数
的定义域是(1,2),则函数
的定义域为
;
③幂函数
与
图像有且只有两个交点;
④当
时,方程
恒有两个实根.
①对应:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0560cb1b930e35dd5618e49f24e138e8.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed2dd8a797d6da9c89e858aed9a7da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b92ed9c28b600f6632dbc1f9fb6d5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0327b710a920ebef7d6d8b0c2bd5d.png)
③幂函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b026fe3e532108d7a415f5c4f0f1ce12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00c2e96c9e481ee186059474e27bd2e.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a308d842f2e450594b9807c803c2a49e.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2017-12-05更新
|
798次组卷
|
3卷引用:安徽省江南十校2017-2018学年高一上学期期中考试数学试题
名校
8 . 已知
是定义在
上的奇函数,且
.若对任意的
,
都有
.
(1)用函数单调性的定义证明:
在定义域上为增函数;
(2)若
,求
的取值范围;
(3)若不等式
对所有的
和
都恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf0333e955963760abff3f045f921e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4440dae5b564c68d767e66a7481d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d476f14a11d6a5aae028fe1d4b52c7.png)
(1)用函数单调性的定义证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9cbd87b42f317b0b82db7c50e19ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c93e8603be430538eb76d6337e75e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2016高一·全国·课后作业
9 . 求函数
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36948a6c463878d8b6522281699bba52.png)
您最近一年使用:0次
名校
10 . 已知集合
,集合
,集合
请写出集合A,B,C之间的关系______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f491a6c77b2037818e62bbe1b49de576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769784f4f2841124bac7326861ea38d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6eac14d38804fc7b305d28ed23a9ec.png)
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