名校
解题方法
1 . 已知集合
.
(1)求
;
(2)记关于x的不等式
的解集为
,若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12286c49309183f4d134007b3cfaecb1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf64025c7e8a6f47a22e2cdba013c79f.png)
(2)记关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46afcafd21552f3f9f339b503b616088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65e3b9d29d9221c675f441ab61f01cb.png)
您最近一年使用:0次
2024-02-10更新
|
393次组卷
|
3卷引用:北京市海淀区2023-2024学年高一上学期期末考试数学试题
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656f9b8f27f9c0f4d997d842426b358d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60a370062270871eddef324c67a3f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 解关于
的不等式.
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98095d33453ef6422a146e1624eadcdd.png)
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594bdf0580b5ee955ed575bf3024cbaf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98095d33453ef6422a146e1624eadcdd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d856e444f17096e1efc1f4524e42fb1e.png)
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名校
解题方法
4 . 函数
,其中
.
(1)当
时,求不等式
的解集;
(2)当
时,f(x)的最小值为0,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb4b18d9a64771883d87596c57cb6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abc2b2e7d4b48a07796bccaad7d336a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac6a2f7366e0190592444bb60d3cea4.png)
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名校
解题方法
5 . 已知集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689e83e23bd9cb7b310bbbd7baaedd98.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cc9d784c2717c40ec068f1a2aaed3c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 集合
,
,若
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f6a7fb570685d30b855beb02317295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71abd5621c7ebfa769a2fc72415d2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-12更新
|
769次组卷
|
2卷引用:北京市第五十中学分校2023-2024学年高一上学期期中练习试卷
名校
8 . 求下列关于
的不等式的解集.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86727db65b834648f8dfd2c39205ff8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86727db65b834648f8dfd2c39205ff8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916582d2bc54610ef6c6fb60e51c8990.png)
您最近一年使用:0次
2024-03-12更新
|
832次组卷
|
2卷引用:北京市第五十中学分校2023-2024学年高一上学期期中练习试卷
解题方法
9 . 为进一步改善空气质量,增强人民的蓝天幸福感,
年
月
日,国务院公开发布
打贏蓝天保卫战三年行动计划
,其中京津冀地区被列为重点治理区域.某课外活动小组根据北京市预报的某天
时
空气质量指数数据绘制成散点图,并选择连续函数
来近似刻画空气质量指数
随时间
变化的规律
如图
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/964fa465-1aac-449b-ae8d-8c0b06626075.png?resizew=306)
(1)求
,
的值;
(2)当空气质量指数大于
时,有关部门建议市民外出活动应戴防雾霾口罩,并禁止某行业施工作业.请你结合该课外活动小组选择的函数模型,回答以下问题:
(i)某同学该天
:
出发上学,是否应该戴防雾霾口罩?请说明理由;
(ii)试问该天
:
之后,该行业可以施工作业的时间最长为多少小时?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6567511bb9486b2ca7452b870abd2a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b0e787c1d82071c825975348698f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461950348087cdb06ec28d7569d14c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf4ba80c2b40227655676eb6b34d461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861b1123fa7fc6df45d115cb3cbc0b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/964fa465-1aac-449b-ae8d-8c0b06626075.png?resizew=306)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当空气质量指数大于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
(i)某同学该天
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8937d7f5eb113bdd1d4eb407d9bfad.png)
(ii)试问该天
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8937d7f5eb113bdd1d4eb407d9bfad.png)
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10 . 求不等式的解集.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619c957c30185b037cc7daf87e41a336.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619c957c30185b037cc7daf87e41a336.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf656292fa1c9607a3e54819ef393f32.png)
您最近一年使用:0次