已知全集为
,函数
的定义域为集合
,集合
或
.
(1)求
;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0557eba4485608f918819a82e89ab59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf5f05a9e5690b8696cf93172eaf033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c751a6e261e30b9db5a369bc7ea36d5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c9730683c1b1ef23176a4148fb3b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06b5dc149398964ef585b0f8cc0ae96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf10c55340c16450cdc1c809fd328ab.png)
22-23高一上·安徽安庆·阶段练习 查看更多[2]
更新时间:2023-02-01 16:43:06
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解答题-问答题
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适中
(0.65)
【推荐1】已知全集
为实数集,集合
.
(1)若
,求
和
;
(2)若
,用列举法表示集合
,并写出集合
的所有子集;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bc74076ddbb9cb970bae036e68341.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e890a3e7501d13d15ca289969568de77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知集合
.
(1)计算
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7a613cc5352fb1719a989c5f0b386a.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9d82d19ddbec3a1751d8e91c8551e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】设集合
,
.
(1)若
,求实数a的值:
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97927627b6890964c516f02dc34ed2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04aadf6391c23cf3474c154ab193fee.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906ea02bdb4a1f6dc7d477109486c6de.png)
(2)若
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数
的定义域为集合
,集合
(1)若
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的取值范围.
(2)若
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b3534f2367da5297075561c6841044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f65a0933445f7287eb11327f7f919da.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03e41091540d602c85a7aa7db8a0662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487163108b4cd3fd35e26a04ad9524d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
.
(1)求
的定义域(写成集合或区间形式);
(2)若正实数
,
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14109cfec99484ea681965a8c1db9853.png)
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905417fd0e1ac367d5b4ab1b611d0586.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14109cfec99484ea681965a8c1db9853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】有
,
两个盒子,其中
盒中装有四张卡片,分别写有:奇函数、偶函数、增函数、减函数,
盒中也装有四张卡片,分别写有函数:
,
,
,
.
(1)若从
盒中任取两张卡片,求这两张卡片上的函数的定义域不同的概率;
(2)若从
,
两盒中各取一张卡片,
盒中的卡片上的函数恰好具备
盒中的卡片上的函数的性质时,则称为一个“巧合”,现从两盒中各取一张卡片,求它们恰好“巧合”的概率.
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e15196ce905f578e53b845242ee30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c792b7113e8bf595bb5dc889d027ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcb6bf2df55a659b146b30c2f8912ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5561b28dea05c9945eea9be34c4175.png)
(1)若从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若从
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次