名校
解题方法
1 . 已知函数
且
.
(1)若
,求不等式
的解集;
(2)若存在
,使得不等式
对于任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c5dad340991112758226fd3b5dc1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608a57caffde627dbf140ca22a2ff8a.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308c33e7a29c84cbad2252e44f6acb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd73b03919e2cd703417b4c3c1fe281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea47220258260d54537f7b5b4be915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-21更新
|
753次组卷
|
4卷引用:福建省莆田第十中学2023-2024学年高三上学期期中考试数学试卷
福建省莆田第十中学2023-2024学年高三上学期期中考试数学试卷(已下线)第16讲 第五章 三角函数 章节验收测评卷-【帮课堂】(已下线)5.4.2 正弦函数、余弦函数的性质(8大题型)精练-【题型分类归纳】(人教A版2019必修第一册)江苏省南通市启东市东南中学2024届高三上学期第二次质量检测数学试题
名校
解题方法
2 . 已知不等式:①
,②
,③
.
(1)分别求出不等式①与②的解集;
(2)若同时满足①②的
值也满足③,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11725dd44c832e57a6930d0d6a6dd8bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f6de33ba956065bc510e3d4d92de5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1989df0e78fb7aa068eddc3ce243ee04.png)
(1)分别求出不等式①与②的解集;
(2)若同时满足①②的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
3 . 已知函数
(
,
),关于
的不等式
的解集为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10eb13ecc3eb6d6c155882e0b70b083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace6873db92531212e239ed42253685a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d445d943648f8cb6e62f5f5eaccb5daf.png)
A.![]() ![]() |
B.设![]() ![]() ![]() |
C.不等式![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . (1)解不等式:
的解集
(2)若关于
的不等式
的解集为R,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4948b417b0b1aa099bb2fb8785a3fabf.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5aa7df29db87272ca90757132a297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
5 . 设关于
的不等式
的解集是一些区间的并集,且这些区间的长度和(规定:区间(a,b)的长度为b﹣a)不小于12,则a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7902485589f23c68c35206a419536cbc.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
6 . 若关于
的不等式
的解集是
或
,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/5d187a2e6f0aef945be8f15d5d37c6d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e9640d20df55d2dea31e38a2a73fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 已知关于
的不等式
的解集为
.
(1)当
时,求集合
;
(2)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095289b99d98cd05e9b373d23d0871b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972592728257d4ed956be1c5f3a097f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73960df7b5e19b38042cc65a5815689a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92dd957781355fa83f32533436d815f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-15更新
|
1224次组卷
|
4卷引用:上海市复旦大学附属中学2020-2021学年高一上学期期中数学试题
8 . 已知关于
的不等式
的解集为
.
(1)当
时,求集合
;
(2)当
且
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce65182cad1364b798d964ab68b51912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fefe237385a2dc1b005d8dc61ef56eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1a7a50991accfdeed8792884bde953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-15更新
|
714次组卷
|
4卷引用:2020届海南省全国大联考高三第三次联考数学试题
2020届海南省全国大联考高三第三次联考数学试题2020届全国大联考高三第三次联考数学试题河南省信阳市2020-2021学年第一学期高二期中教学质量检测数学(文科)试题(已下线)课时01 集合及其表示法-2022年高考数学一轮复习小题多维练(上海专用)
名校
9 .
,其中
是常数.
(1)假设
的解集是
,求
的值,并解不等式
.
(2)假设不等式
有解,且解区间长度不超过5个长度单位,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9529ac0c7d85536cb05f5e3f5785d5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)假设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12578136c1a749876bb47e6f1d69988e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ff70b7bfa3d6b694958aa21f699696.png)
(2)假设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 定义区间
的长度均为
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa403daf6f8420dcefeea93fec41798c.png)
(1)若函数
的定义域为
值域为
写出区间长度
的最大值;
(2)若关于
的不等式组
的解集构成的各区间长度和为6,求实数
的取值范围;
(3)已知
求证:关于
的不等式
的解集构成的各区间的长度和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc5d7657fd10839719b593b12d12e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d9560a5a060961e957ffeff10a29aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa403daf6f8420dcefeea93fec41798c.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927adc3ef749d09e76374ffbd7c50da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75af93e9c237ee52e258aa48a4a55649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8936e3646db9171519b41c08c16391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac502f3aadb3b15abf4aa7368b7f5b8.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07b34bade7a10c5ecc1febbf0829912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7efe337fed3335419338c68b92c50e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab381e4696b228db83ba14f9dca29011.png)
您最近一年使用:0次