1 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b6d292996dd6c3e4b864b3ddc44ee0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知集合
,
,
.
(1)求集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e6b9970dd94607365276b03973fdd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d5b8b9302609a072af3f02a40f77c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116715ae52b8eddfce56daa33354735e.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2077f92bf8d3985999807a76c9a695ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
3 . 已知集合
,
,实数集
为全集.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297032945c9e605b1f572eb3cc6f6f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6e83fe8aa126fed11d833c3da4eba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
您最近一年使用:0次
解题方法
4 . 已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2eac0d54ae7cced402561fd6c230f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982184c9a52ce173dd69b30d8b954ce8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3ace09ea5fe69707e9919e59824aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
5 . 设函数
,
.
(1)解关于x的不等式
;
(2)当
时,不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ede4a660ea4ec1bac8834a388f54a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
您最近一年使用:0次
解题方法
6 . 已知全集
,集合
,
.
(1)求
;
(2)设非空集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098e85fa76d568772a842fddd41219fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7ad9ea4c8306297bf2b5be771aaaee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92a9a1db7aa2049e28dd4f3cbd66f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8ee67a01e05c112833bc62c5b97006.png)
您最近一年使用:0次
2023-12-20更新
|
106次组卷
|
2卷引用:山东省枣庄市薛城区2023-2024学年高一上学期期中检测数学试题
名校
7 . 若
是
的充分不必要条件,则实数
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed38cde5c3a0314f5ab26022895d0aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0abb0fbf7f76debb24088755e31fe484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
解题方法
8 . 已知二次函数
.
(1)若
,求
的值;
(2)若二次函数
的图像恒在
轴的上方,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ddbe3355d3d4ddd1cdcb0b7395a51e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a355a0c53f4605669a3667e87356c471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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
2023-12-19更新
|
235次组卷
|
3卷引用:山东省潍坊市国开中学2024届高三上学期期中数学试题
山东省潍坊市国开中学2024届高三上学期期中数学试题海南省白沙县海南中学白沙学校2023-2024学年高一上学期期末数学试题(已下线)考点9 与二次函数相关的参数问题 --2024届高考数学考点总动员【练】
9 . 设集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e926315208b5da83041affd12718420a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70af315065f3673a8483085d7d21e760.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-17更新
|
255次组卷
|
3卷引用:山东省菏泽市菏泽外国语学校2024届高三上学期第二次月考数学试题
山东省菏泽市菏泽外国语学校2024届高三上学期第二次月考数学试题安徽省合肥市庐江县(八校联考)2023-2024学年高一上学期第二次集体练习数学试题(已下线)考点2 集合运算 --2024届高考数学考点总动员【练】
名校
解题方法
10 . 已知不等式
的解集为
或
,集合
,
(1)求实数
,
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08d73f977753194e240f220f124e16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944f2e34bac486689b2e30445a2df228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac3e627026a67df982843808f5115d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd95f6da6e20172b41cef9d1eb71238.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-12-17更新
|
367次组卷
|
3卷引用:山东省青岛平度市第九中学2023-2024学年高一上学期12月月考数学试题