已知函数
.
(1)若不等式
的解集为空集,求m的取值范围;
(2)若
,
的解集为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518f005beb0470191ebb5ca8883eaab9.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef333f78ed0adf43fea544f05ffddef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce460941cf3ff54ccb6aec5085689a91.png)
2021高一上·江苏·专题练习 查看更多[2]
(已下线)专题09 《不等式》中的取值范围和最值问题(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)湖南省株洲市第十三中学2023-2024学年高一下学期开学考试数学试题
更新时间:2022-04-04 23:15:13
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【推荐1】已知关于
的不等式
的解集为
(其中
).
(1)求实数a,b的值;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df9a63d3a01828fadfc3bbf4abcc49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30169031fd007bb61125ad15db5fe639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e42953357fe79c16248ef4c79e6089.png)
(1)求实数a,b的值;
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4e0601ff947ba59761fffcfaed669f.png)
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【推荐2】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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【推荐1】已知
为实数,设集合
.
(1)设集合
,若
,求实数
的取值范围.
(2)若集合
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbdb9295c1b5fa1a0ccbb9c4c5f9f19.png)
(1)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13efe1f6d9b5e55020f10ed39aa78c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27b6c1f267d7b820b64f5782c6466de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知命题
,
,命题
,
恒成立.若
至少有一个为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d3886a07c87033f8e2ca50dd5ab5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05564cc6c1e8b19b29c8de49296140ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d19de1563ccf0f867f91bc031773053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f754145f648450f9e14cec4b17140a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知
、
为正实数,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe0890043f34b4575bf7bb3a773e32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f11b3888e4ba50a751ff521419309f5.png)
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【推荐2】已知
,
,
.
(1)求
的最小值并说明取得最小值时
,
满足的条件;
(2)
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b8d3564d7ae5687f69b64b150c4b35.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd31dc2d0967db352574381d66d33fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa2674d215ca39e2bdd19e6bc031996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f83b26df8d5e1e4d95d72fb04ac180e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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