名校
解题方法
1 . 集合
,
.
(1)求
,
;
(2)若集合
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ff9bffc18a15994c2e8fbc2a5d5f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70307458c6ffc3fd8bdb3c017994434.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef1d3f51b7acab408edef65a31d9555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-10-19更新
|
359次组卷
|
6卷引用:江苏省南京市宁海中学2020-2021学年高一上学期10月月考数学试题
名校
解题方法
2 . 已知函数
,
.
(1)若
,试判断函数
的奇偶性,并用奇偶性定义证明你的结论;
(2)当
时,求不等式
的解集;
(3)若存在
使关于x的方程
有四个不同的实根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72bc09352dfb8a9a9df6d97a7a49beb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c93d770f34594693cba4e160fc4687d.png)
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名校
3 . 通过相等关系和不等关系的类比,我们可以得到很多不等式的性质,比如等式具有传递性:设
、
、
,如果
,
,那么
,我们可以类比得到不等式的传递性:设
、
、
,如果
、
,那么
.请你根据下列等式性质,类比得到相应的不等式性质.(无需证明)
(1)设
、
,如果
,那么
、
;
(2)设
、
、
、
,
、
,如果
,那么
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d3b8f5c9df891ef6fbcaf12f43207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759b29a7b2b3735306f1a650355a7858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46196aec06c25d5c8f9b1d3a8f50a889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069390dd908ff203327958117a226593.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58424beef0de6926a633bc188b5bc23a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2f871d6a05af4839cf84111384dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c35ebeda85591e71aa1b523ce5aa2a3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993e45b3291e3be0f6ea493743cb48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df50f7ca6a558c16090f6fce5db81d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73211359fe89a6d48deeb68bec9ffcb.png)
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名校
解题方法
4 . 已知集合
,
.
(1)求集合A,B:
(2)请在①充分不必要条件,②必要不充分条件,③充要条件这三个条件中任选一个,补充在下面横线处,并回答问题.
若
是
成立的___________条件,判断实数m是否存在,若存在,求出m的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0974c628ba6f965a04d765a49ee4de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319fdd7b675fbd926ffc7d17c7dd7cf0.png)
(1)求集合A,B:
(2)请在①充分不必要条件,②必要不充分条件,③充要条件这三个条件中任选一个,补充在下面横线处,并回答问题.
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2021-10-16更新
|
153次组卷
|
3卷引用:山东省济南市章丘区第四中学2021-2022 学年高一上学期第一次质量检测数学试题
19-20高一·全国·课后作业
名校
解题方法
5 . 设集合
,B={x|-x2-2x+3>0}.
(1)求集合
;
(2)若不等式
的解集为B,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7cc0d812baf7663e39e19a40120329.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799bfad4a7601be16efcec5e6d6c1efb.png)
您最近一年使用:0次
2021-10-16更新
|
279次组卷
|
7卷引用:【新东方】HZOMO数学007
(已下线)【新东方】HZOMO数学007(已下线)【新教材精创】第二章等式与不等式练习(2)-人教B版高中数学必修第—册广东省广州市培英中学2021-2022学年高一上学期10月月考数学试题河南省新乡市原阳县第一高级中学2023-2024学年高一上学期9月月考数学试题河南省郑州市郑州尚美中学2023-2024学年高一上学期9月月考数学试题(已下线)【新教材精创】第二章 等式与不等式 练习(2)-人教B版高中数学必修第一册陕西省汉中市城固县第二中学2023-2024学年高一上学期11月期中数学试题
6 . 已知全集
,
,集合B是函数
的定义域.
(1)求集合B
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13346a4d56e6c3da5047e716306c3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6a364d50ef0a524b7ca113d807ff24.png)
(1)求集合B
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedf1176ff497d9fa4510e57ba90267a.png)
您最近一年使用:0次
名校
解题方法
7 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df00f205dda9397b1324168ccf02ce73.png)
(1)设
,求
的最小正周期和单调增区间;
(2)求(1)中函数
在区间
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95640a9d7081fba7f1f4a71e5e17af0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df00f205dda9397b1324168ccf02ce73.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3536aeb7eb5d6cb2eecd840495ea1a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)求(1)中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8baf29a6bff4528c301f89d3bfd6d106.png)
您最近一年使用:0次
2021-10-07更新
|
594次组卷
|
3卷引用:湖北省荆门外语学校2019-2020学年高一下学期6月月考数学试题
名校
8 . 已知全集合
,
,
,求集合
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80eb6c45f40735c7a7c8de480c65473b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04eaa01f36a602344242606e9212229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70a59467b696996f831f245c518603f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
您最近一年使用:0次
名校
解题方法
9 . 设
,函数
,
的解集
.
(1)求集合
.
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da9073e64f1b60de286c7f831aa56a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc83e053a446474dbbb3aaacb25071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 设全集是实数集
,集合
,
.
(1)求
,
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67a08acfa07bb01bc213c2642463450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd365830e64984d830435735df6c31ac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
您最近一年使用:0次
2021-10-07更新
|
307次组卷
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3卷引用:北京市清华附中2019-2020学年高一10月份月考数学试题