名校
1 . 已知集合
.
(1)当
时,求集合
;
(2)当
时,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1107fe1366cb41de04de7328c48b66b3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e31c593c79a680c4f38042d584deaa.png)
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2020-01-01更新
|
167次组卷
|
2卷引用:湖北省黄冈市浠水实验高中2019-2020学年高一上学期10月月考数学试题
名校
解题方法
2 . 已知集合
,
,若
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4221186cc987a2acb2df2d07890c78d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a19ad5378a0e6a89efdaa716b58463b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知关于x的不等式:ax2-2(a+1)x+4>0,a∈R.
(1)当a=-4时,求不等式的解集;
(2)当a>0时,求不等式的解集.
(1)当a=-4时,求不等式的解集;
(2)当a>0时,求不等式的解集.
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4 . 函数
的定义域是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4ec08954296409a2083e8b77f8ce90.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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19-20高一·全国·课后作业
解题方法
5 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc61bd741432e13c32d462b23b7dc1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bfa0dac868395ef0e3a705918d9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
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名校
6 . 已知集合
,
,
,
.
(1) 求
;
;
(2) 如果
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5364c816bd1304348cbe4d4360f16ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a36d02b7be4cf6ce6841f653b574b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c19a1ee0439785fbc3fd40de6b383e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1) 求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169647549f79e22cce3b0f105177d9ef.png)
(2) 如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f569c191a60a39899b5056aaa74b9f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 设集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326d074cdaf60433b09a3bad5d904e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ede176253e9a91704b6bf318b754456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 不等式组
的解集是
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336e51f93bf4f283289c505da5c88dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50eb2a8da1ccdc009bb629318d440f3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
9 . 设全集
,若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970efb1b4e348750e8e61c53dc7d4ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dded160206bad3b70b94a8d77e62e8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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