解题方法
1 . 已知关于x的不等式
的解集为
.
(1)求实数
的值;
(2)当
,
,且满足
时,有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566bfdd14f1aa396f620e0ca6895a21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c4a0f1719f6d6edc4e7e8d6ea228e3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](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/953521e0c0ec1c417d7ca2197d8c601e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3662a5305ef1257cd9e0601bf50991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
2 . 下列命题中为真命题的是( )
A.不等式![]() ![]() |
B.若函数![]() ![]() ![]() ![]() |
C.函数![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
3 . 已知关于
的不等式
的解集中最多有1个整数,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9590a10582cc02fd64b8a9482a3aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-29更新
|
355次组卷
|
3卷引用:江苏省南京市第二十九中学2023-2024学年高一上学期10月月考数学试题
解题方法
4 . 已知函数
.
(1)当
时,关于x的不等式
的解集为
,求实数n的值;
(2)当
时,若
时,关于x的不等式
恒成立,求
的最小值;
(3)当
时,若
时,关于x的不等式
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1310aaf46a05655568261f38fcbc1d37.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd38164f9aca60fc9f8066eae5c6e13c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0f9659f69c43eebf23ed63d0373359.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383c171cd3f4f3388a7eedb8b1e2006c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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解题方法
5 . 已知
.
(1)方程
有两个实数根
,
.
①若
,
均大于
,求实数
的取值范围;
②若
,求实数
的值;
(2)设
,若关于
的不等式
的解集为
,
,且
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d396d55c8608b764a6d59ecc123990a.png)
(1)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eec6c93f459a851fc7ba81c13ead26a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eace589088fbc565184fd9d28632618f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f92b21e4640d62f21ec117bdca260b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-25更新
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195次组卷
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2卷引用:江苏省南京市中华中学2023-2024学年高一上学期学情调研(一)数学试题
名校
6 . 二次函数
满足
,再从条件①和条件②两个条件中选择一个作为已知,完成下面问题.
条件①:
;
条件②:不等式
的解集为
.
(1)求函数
的解析式;
(2)在区间
上,函数
有零点,试确定实数m的取值范围;
(3)设当
(
)时,函数
的最小值为
,求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c292ad5ab432ba87d945d952ae84d2b8.png)
条件②:不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880a4c98bc8d627a784542d4e3e7e261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f9f734c03d04c21edefa08e0acc1fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ffd6a2c10103ca7f4b47a697abe98e.png)
(3)设当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9564a20c1081d01e2c1febb103046b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
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7 . (1)当
,若关于
的不等式
的解集不空,求实数a的取值范围;
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88b6d0df0ee20bf56477f867015a08c.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097ca32934ef96f84e79ef007f2d8708.png)
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2023-09-12更新
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1115次组卷
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3卷引用:第3章 不等式综合能力测试-【帮课堂】(苏教版2019必修第一册)
(已下线)第3章 不等式综合能力测试-【帮课堂】(苏教版2019必修第一册)天津市武清区杨村第一中学2023-2024学年高一上学期第一次月考数学试题河北省唐县第一中学2022-2023学年高一上学期10月月考数学试题
名校
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884572b0c36e6d95943c38232426947.png)
(1)若
,求函数
的值域.
(2)当
时,求不等式
解集;
(3)若存在
,使关于
的方程
有四个不同的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884572b0c36e6d95943c38232426947.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a575b28f019d3a8c15713fe8276c5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f655a2598fcf4979279745cf4799441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
在
上的单调递增区间;
(2)求不等式
的解集;
(3)若方程
在
上有两个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a52591a887a263cd89d925f6bb777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef4df8ced6c33768a2264cd64290929.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f60e7cf64c5de71d6e7898b46c4aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-09-08更新
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1323次组卷
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7卷引用:江苏省泗阳中学2022-2023学年高一上学期期末数学试题
江苏省泗阳中学2022-2023学年高一上学期期末数学试题(已下线)第06讲 5.4.2正弦函数、余弦函数的性质(2)-【帮课堂】(已下线)专题5.8 三角函数的图象与性质的综合应用大题专项训练-举一反三系列(已下线)5.4.2 正弦函数、余弦函数的性质(8大题型)精讲-【题型分类归纳】(人教A版2019必修第一册)第五章 三角函数(32类知识归纳+38类题型突破)(4) -速记·巧练(人教A版2019必修第一册)浙江省湖州市南浔高级中学2023-2024学年高一上学期第三次月考数学试题福建省龙岩市长汀县第一中学分校2023-2024学年高一上学期第三次月考数学试题
名校
解题方法
10 . 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)
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2024-01-15更新
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4卷引用:江苏省南京市2023-2024学年高一上学期期末考前模拟数学试题