名校
解题方法
1 . 函数
的定义域为集合A,集合
·
(1)若
,求集合
;
(2)设
,
,若Q是P的必要条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66cbeb07b713ab91bb95b28891b037f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee7a9828ab772ce75c049a0fb5c2db.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c205e4fac090fa117028a19cf0007b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0297339390d194e4aa609415595ead4f.png)
您最近一年使用:0次
解题方法
2 . 设
:实数
满足
,
:实数
满足
.
(1)若
,且
,
都为真命题,求
的取值范围;
(2)若
是
的充分而不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09b80ac252dd10babc7977939a97d08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330e969cb3a573dc5314d0a81b182c3b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
3 . 不等式
的解集是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2389562523fb4d746237471bba0ca6e9.png)
您最近一年使用:0次
4 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)根据实数
的取值范围,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403f3c6df5926367f0b6df649c8e7531.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
(2)根据实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
您最近一年使用:0次
2023-10-19更新
|
250次组卷
|
2卷引用:江西省部分学校2023-2024学年高一上学期10月月考考试数学试题
名校
5 . 已知关于x的不等式
的解集为
,
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf0dab0fa4abb3b1214a592a29a00d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e72e85b53ed7377d0389047cebb1ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ce56de71d883c9cdee96b3ae3c7f27.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-17更新
|
863次组卷
|
7卷引用:江西省部分学校2023-2024学年高一上学期10月月考考试数学试题
名校
解题方法
6 . 已知集合
.
(1)若
,求
;
(2)
是
的必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3577d0ce339d34d4ceb366aa1738e2b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ef6c409928c14a92d304bea6a6f290.png)
(2)
![](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
7 . 某文具店购进一批新型台灯,若按每盏台灯15元的价格销售,每天能卖出30盏,若售价每提高1元,则日销售量将减少2盏.为了使这批台灯每天获得400元以上(不含400)的销售收入,则这批台灯的售价x(元)的取值可以是( )
A.18 | B.15 | C.16 | D.20 |
您最近一年使用:0次
2023-10-17更新
|
166次组卷
|
3卷引用:江西省部分学校2023-2024学年高一上学期10月月考考试数学试题
江西省部分学校2023-2024学年高一上学期10月月考考试数学试题四川省合江县马街中学校2023-2024学年高一上学期10月月考数学试题(已下线)专题02 一元二次函数、方程和不等式1-2024年高一数学寒假作业单元合订本
名校
8 . 定义行列式
,若
,则
的取值集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fec025453bac0d34d5e9bdf61a6755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af61490badee35c35cfd65e5eb37fa54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-13更新
|
119次组卷
|
4卷引用:江西省部分学校2023-2024学年高一上学期10月联考数学试题
名校
解题方法
9 . 已知全集
,集合
,
.
(1)当
时,求
,
;
(2)若“
”是“
”成立的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553361188df3f2bba101f311c05c6f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c187f1567d0e4aa3e236012a51abc8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b369eb031bad872b0d3a9cf746119f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若“
![](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/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-10-10更新
|
239次组卷
|
2卷引用: 江西师范大学附属中学2023-2024学年高一上学期10月素养测试数学试题
名校
10 . 已知集合
,
,若
、
中至少有一个非空,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab32d5c9be04a04909b1e8f745cfa2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656ac05f1ead0568ea7955a8546be9fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次