记函数
的定义域为集合M,函数
的值域为集合N,求:
(1)M,N;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2392c6185afb0cf7fb7f7bcc02bd83e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04cdc309279db24ebe222ab860db782.png)
(1)M,N;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013020b335323b3853127caabd913584.png)
更新时间:2022-02-15 14:28:23
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知全集
,集合
,集合
;
(1)求B;
(2)求
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246054f757e1d9eb81dc1c9585770b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436d47ff7d0abccb6c0a2d2682f9da50.png)
(1)求B;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c523732b00e156a509ff772ecd45b784.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知
,
.
(1)求
和
;
(2)定义
且
,求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1af01a28fd504dc1a90c223faa46714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a829facdaba315ebe3a593e69730c137.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489e291d540e36c33cd17b037c1e9cf.png)
(2)定义
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01debb5bdd5171b4ede00e41e46e8803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28067de5af2062f2576ad4a4a9a454ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b819030450950f01d537559f37cf7e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc60e982d3b5adad8b9f8c3ad8e288d1.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知集合A={x|f(x)=lg(x﹣1)
},集合B={y|y=2x+a,x≤0}.
(1)若a
,求A∪B;
(2)若A∩B=
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a07d9101cf46e65a0e2ce0a46f1e9d5.png)
(1)若a
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cb6dcde87fe08788904188af845005.png)
(2)若A∩B=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知集合
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6fd1aea22c73cb6320b0e97150566c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9632fb65f82e4430cf0ccc4b9a9ba2bb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
的定义域为集合
,
的值域为集合
,
.
(1)求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db85769affccb27f62a46f5a5c180c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5311cbcf67bf6c8028f23987cf94a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25fc2087693399e59a9f24c3671a8244.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89f0abb87eb036a4880fc29f335e355.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知幂函数
在
上单调递增,函数
.
(1)求m的值;
(2)当
时,记
的值域分别为集合A,B,设
,若p是q成立的必要条件,求实数k的取值范围.
(3)设
,且
在
上单调递增,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700cf041d31cff475734be1fe347142a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407f0f7bd28c9cb9c5b44ac662acb78b.png)
(1)求m的值;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172c80b0d9bcb52d4071f27171819ad.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58cdeb5b997fbc45cd18b8465bba517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
您最近一年使用:0次