1 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d50804b69d3a6f9cc52f5dd04e9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc51474b54120493b300a14e566cbc0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ca4e3f7d06bacb453b5ceb3eeeb711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05cc13f232fb73eaa85e6de8ff45ba3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-22更新
|
423次组卷
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2卷引用:北京市丰台区2023-2024学年高三上学期期末练习数学试卷
解题方法
2 . 已知函数
.
(1)画出函数
的图象,并写出函数
的值域及单调区间;
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/b8511c19-24a7-4003-850f-eeaa5809bd99.png?resizew=163)
(2)解不等式
;
(3)若
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32648060f5e3e810c65f962fa2ea41b0.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/b8511c19-24a7-4003-850f-eeaa5809bd99.png?resizew=163)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476e65208aaf36809ee0d65fc61c4dbb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a743e9d797611bdc5fea0621668bb78c.png)
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解题方法
3 . 已知函数
,若关于x的方程
有两个不同的实根,则实数k的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54840f0112bebb28428c971f6f76ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101c5df08aa35ae24a6416840b199b.png)
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4 . 函数
的定义域为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d105aa9ad237321fa8f4e10751b438.png)
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解题方法
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891c33c87303257a9f523da73a13f6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a3ed7f0cf15e2c11425940d43881e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 记
为非空集合A中的元素个数,定义
.若
,
,且
,设实数a的所有可能取值组成的集合是S,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de520b6e7624462896c9b1a9dead9799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17133278637f0ee46be2be6adfdd627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f8d9188279429b395c30b2898ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da75d407597619b03bf3633a53ff5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8823395fd2aa2284019ec6cc071e1b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5133dcead4d15287e6a2f94104b0e8ff.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2024-01-19更新
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309次组卷
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2卷引用:北京市丰台区2023-2024学年高一上学期期末练习数学试卷
名校
7 . 荀子《劝学》中说:“不积跬步,无以至千里;不积小流,无以成江海.”学习是日积月累的过程,每天进步一点点,前进不止一小点.若甲、乙两同学当下的知识储备量均为a,甲同学每天的“进步”率和乙同学每天的“退步”率均为2%.n天后,甲同学的知识储备量为
,乙同学的知识储备量为
,则甲、乙的知识储备量之比为2时,需要经过的天数约为( )(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89912700928772c2e8fed18892968e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65aa4a0137bc6bcf4b2b64f3a7f0a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfb5a9ba77ae3ff13997225d5ba02f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358d9fc9840972b9a82bb1ca364bd805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a120e4174e06335a02b49fe54bd400.png)
A.15 | B.18 | C.30 | D.35 |
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273次组卷
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3卷引用:北京市丰台区2023-2024学年高一上学期期末练习数学试卷
北京市丰台区2023-2024学年高一上学期期末练习数学试卷四川省德阳市外国语学校2023-2024学年高一下学期入学考试数学试题(已下线)专题06 一轮复习指数函数,对数函数,幂函数--高二期末考点大串讲(人教A版2019)
名校
解题方法
8 . 函数
,
,
的零点分别为
,
,
,则
,
,
,的大小顺序为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ff7cff83f5a822aa46014d1b5a308f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0130e26455c7372b3dcbab2b1a02255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d307f8bcf5b738f81d4ae027248c61b6.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/071a7e733d466949ac935b4b8ee8d183.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/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-19更新
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662次组卷
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3卷引用:北京市丰台区2023-2024学年高一上学期期末练习数学试卷
北京市丰台区2023-2024学年高一上学期期末练习数学试卷北京市海淀区北京一零一中2023-2024学年高三下学期统考四(开学考)数学试题(已下线)北京市第四中学2023-2024学年高三下学期阶段性测试(零模)数学试题