名校
解题方法
1 . 已知不等式
的解集为
,设不等式
的解集为集合
.
(1)求集合
;
(2)设全集为R,集合
,若
是
成立的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e12a49601927242c500e1e3b331112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10a6d1002f6d7155f1c9a4801c5cb4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设全集为R,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e7668fba5ddd3c5aab4f1f88d67892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-15更新
|
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4卷引用:福建省莆田第二十五中学2023-2024学年高一上学期期末考试数学试题
名校
2 . 已知不等式
的解集为
或
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae8fff7c98b78992edcd61daf6ea72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f347d6f3ca845711425139029d4f1645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68de92160c612a9b4ecdf5c51e8a39c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a89569959a93cfc700d5a24aea257fb.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-25更新
|
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5卷引用:福建省福州市平潭县岚华中学2023-2024学年高一上学期期末模拟数学试题
名校
解题方法
3 . 已知函数
.
(1)若
的解集为
,求
,
;
(2)若
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138506a762e636aa75a4d54f5b739b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188aa6c8b8593db08c1c251d38ca578d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce460941cf3ff54ccb6aec5085689a91.png)
您最近一年使用:0次
2024-02-23更新
|
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2卷引用:福建省厦门市2023-2024学年高一上学期1月期末质量检测数学试题