解题方法
1 . (1)已知函数
的定义域为
,求函数
的定义域;
(2)已知函数
的定义域为
,求函数
的定义域;
(3)已知函数
的定义域为
,求函数
定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b372aef3938a81812010c8a78cf5e111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418accab7b0e6e9418d725130ee5bf70.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418accab7b0e6e9418d725130ee5bf70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b372aef3938a81812010c8a78cf5e111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418accab7b0e6e9418d725130ee5bf70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b372aef3938a81812010c8a78cf5e111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25990e1d373ac30d7480633e47cc1ef.png)
您最近一年使用:0次
解题方法
2 . 已知全集为实数集R,集合
,
.
求
,
;
已知集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecff0ad29f92f2c3d18a5a576ca3180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f842d921d8af1858fe8db245c7e94511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06cfe33e358e7b7a18842a9a2bc9d119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d8a7acad793ece52c78eb7fed481c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1962531fea85e6c6e3e8cf909fb8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f937fbefe53d8db8388dbe59e2aeb6c0.png)
您最近一年使用:0次
2017-02-08更新
|
393次组卷
|
4卷引用:【校级联考】安徽省芜湖市四校联考2018-2019学年高一上学期期末考试数学试题
名校
解题方法
3 . 已知函数
的定义域为
,集合
.
(1)若
,求实数
的值;
(2)若
,
,使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8decae929c89e4d970bdfe597ea80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29308a2cfd93500b3dba54e751d48e7f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efae747efd402b6e4d4996a8bb74cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d580f4f639394d9e9f15d43bc5e2b8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec525bd4ff659ca781171fdf8c2fd41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283f418dbf60496c1a97e8166395999e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-02-08更新
|
502次组卷
|
5卷引用:2017届安徽蚌埠怀远县高三上学期摸底考数学(理)试卷
名校
4 . 对于函数
,解答下述问题:
(1)若函数的定义域为
,求实数
的取值范围;
(2)若函数的值域为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dece23b74b739edcfd484f53f8c43570.png)
(1)若函数的定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数的值域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2eed08bbcd616e01cae098cd4013a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
681次组卷
|
3卷引用:2015-2016学年安徽省蚌埠市二中高一上学期期中数学试卷
解题方法
5 . (1)求函数
的定义域;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccff365c7ab68c74bae14614c94fea45.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6cdfb2e418eff9f2e80cb3f75a08940.png)
您最近一年使用:0次
名校
解题方法
6 . 设命题
:方程
无实数根;命题
:函数
的定义域是
.如果命题
或
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf238e780656724b21940084e2f4f283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47039c1ea74f2bb20556599e3213bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
419次组卷
|
2卷引用:2014-2015学年安徽省涡阳县四中高二下学期第二次质检文科数学试卷
7 . 已知函数
的定义域为集合
,且
,
;
(1)求:
和
;
(2)若
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/db94292ccbd14907af1b3ee84cc795e0.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/d6a15fea6e7c4a699d698f665903b4d7.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/74745193fe4641f28ec32c62f914db54.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/6e5ea79018704f6b885782c9472f9fbe.png)
(1)求:
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/d6a15fea6e7c4a699d698f665903b4d7.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/e2edaf60088145bd8ee9cb9f4af17a67.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571976026898432/1571976032698368/STEM/ff83f116d40e44249a377e8d7f09bc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
1099次组卷
|
2卷引用:安徽省巢湖市汇文学校2017年秋人教高一数学第一学期第一次月考测试题
14-15高一上·安徽淮南·期末
解题方法
8 . 设集合
是函数
的定义域,集合
是函数
的值域.
(Ⅰ)求集合
;
(Ⅱ)设集合
,若集合
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/74bdfa7765ce438abfd4e74b5b3d8c22.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/0605e7549fa94e8ea982b1e781643472.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/09af48e628574eeaadaf8772abba63d5.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/5540b611df5440778026582ecdc19638.png)
(Ⅰ)求集合
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/35cb20b5bf824500b9ff208b00afe59b.png)
(Ⅱ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4746ab7c70be99032269726b81089ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d9db05ae0d7e541b574e7a749fe0da.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/7a15995aa5dd480997485e8ae0f5997d.png)
您最近一年使用:0次
10-11高三上·浙江杭州·期中
解题方法
9 . 设函数
的定义域为
,![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/b58266023d7446a1818570f67d4cce5a.png)
的定义域为
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/6c88c91d3d97412ab0baee9368cd43ce.png)
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/a9d6b1de06b243279d55f350d3acc5a4.png)
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/b58266023d7446a1818570f67d4cce5a.png)
的定义域为
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/91213fe6e7b5484d9961888685751f98.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/a9d6b1de06b243279d55f350d3acc5a4.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/d1da9d7f427e48d7a234b88273ba6af0.png)
![](https://img.xkw.com/dksih/QBM/2012/10/19/1571029895667712/1571029901197312/STEM/71942670453844f19978ce7202f1790a.png)
您最近一年使用:0次
9-10高三·安徽·阶段练习
解题方法
10 . 函数
的定义域为集合A,关于x的不等式
的解集为B,求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95637b7ae024fa2737be4585b0916e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e1a4c3f794807fadf23bdee0c59013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次