1 . 已知集合
,集合
.
(1)若
,求
和
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47af6fc42a3ecbf63525bcbdf3ffcc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c09f0eb125c55e6760c7b3805c72440.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca18647bd19f05c6ba7ecfa9921c4280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-12-03更新
|
94次组卷
|
2卷引用:山西省运城市景胜中学2022-2023学年高一上学期11月月考数学试题(B卷)
名校
解题方法
2 . 已知函数
.
(1)画出函数
的图象并写出它的值域;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/a2b202b4-a7e8-47ea-bbb9-58ced729c767.png?resizew=179)
(2)若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8266cf782ff51b135f71ed8255fc126.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/a2b202b4-a7e8-47ea-bbb9-58ced729c767.png?resizew=179)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a93edb0813b6828531c0af99926c7fb.png)
您最近一年使用:0次
2022-11-29更新
|
354次组卷
|
2卷引用:山西省高中教育发展联盟2022-2023学年高一上学期11月期中检测数学试题
名校
3 . 命题“
”是真命题的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2540e1cb3eaa8565ff1f3001f9f838.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-29更新
|
414次组卷
|
4卷引用:山西省高中教育发展联盟2022-2023学年高一上学期11月期中检测数学试题
山西省高中教育发展联盟2022-2023学年高一上学期11月期中检测数学试题河南省新乡市新誉佳高级中学2022-2023学年高一下学期开学考试数学试题(已下线)1.5 全称量词与存在量词(精练)-《一隅三反》(已下线)专题2 2个二级结论转化命题关系
解题方法
4 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc042a27db66f6bcb2dbe2528ff2f836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523a6db1d5d9357bc8c282bef3f2f78f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d35a4deca4ae50c3f77a9021226f139.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-23更新
|
298次组卷
|
2卷引用:山西省运城市薛辽中学2022-2023学年高二上学期10月第二次月考数学试题
解题方法
5 .
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d5b84ad82ac13af496c683855b9c5f.png)
您最近一年使用:0次
2022-10-22更新
|
443次组卷
|
2卷引用:山西省运城市稷山中学2023届高三上学期月考(重组五)数学试题
解题方法
6 . 已知集合
,
,则下图中阴影部分所表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/5ce8c1b1-935b-4586-8942-b3b09beb37e8.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fc56a6cb5e7c4ee9dabe37a1355951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9815e9c34a202d198a0cb3a17725f00b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/5ce8c1b1-935b-4586-8942-b3b09beb37e8.png?resizew=176)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知
为实数集,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457a5e08181b86f93cff15ed0806a3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98b6b94f162ba20d952d73cf52a2ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc82776cadf0766dcb20aa350cbc3e1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeee753c2b63c5c16c257c0bff33782e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ab83c2c0bbcaabc2a177855d55d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 设命题
:实数
满足
,其中
,命题
:实数
满足
.
(1)若
,且
为真,求实数
的取值范围;
(2)若
是
的充分不必要条件,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/b1dc823077f5a0767f65ee2187834039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.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/90e2f1a7cb753eafc3662bcc5a7005d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.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
解题方法
10 . 已知命题
,
:
,若
是
的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5617cdd54e457ea517d3ab8bae50583d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898fd1a56db70c4b225bee2abc1705a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次