名校
1 . 定义在R上的函数
在
上是增函数,且
对任意
恒成立,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e0a0dde137e24c80d0afeec024f2b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4898d3c1a1ffe28f013fcd1f6a3cc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-05更新
|
663次组卷
|
2卷引用:北京市第一零一中学2023-2024学年高一上学期期中数学试题
2 . 已知函数
.
(1)若关于x的不等式
的解集为
,求a,b的值;
(2)解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7247dc7936c453c4a4156b06ea685b1c.png)
(1)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa50d5ffd8fca00d0b4d71f537415c09.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb38eb19cb5972e62d404e85001aefd7.png)
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解题方法
3 . 对于非空有限整数集X,
,定义
,对
现有两个非空有限整数集A,B,已知
且
.
(1)当
时求集合B;
(2)证明:
;
(3)当
且
时,任取
构造函数
问:当a,b取何值时,
的最小值最小?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9451ce4fed053674ea20d5b455b783d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb70a272d3abd0bb156e332e75dc36b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cd3b18a04c9a72a0bf7791bdf56a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9a194c0b9152e11aabc059c8483b93.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba387b457949fde336790c9d05c4f1c.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15d281a85375fcf633d2cd86e294028.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eeee50bc500aad281fbb28d465db5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4a0f5fcd7882200fa25b6ee5143f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c41c277675b413bbff28387082c9785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbad171aea431ed7347bcdc7fbef54d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
4 . 已知定义在R上的奇函数
.
(1)求m的值;
(2)用定义证明:
在区间
上是减函数;
(3)若实数a满足
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab326b3a051c8af81f7bd6c972dcd0f7.png)
(1)求m的值;
(2)用定义证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
(3)若实数a满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864c8a7ff4854ebda1559dda67284de4.png)
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5 . 已知定义在R上的奇函数
满足:对任意的
,都有
,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e532ddea5422fd7ba6b844de1fb6dc2.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab1fdb6192af70b8cbfc47b3145b232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8966e83ea6acb2b2b7572938dc9df429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e532ddea5422fd7ba6b844de1fb6dc2.png)
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解题方法
6 . 已知函数
在区间
上有最小值
,则实数a的值等于_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868865fc0843084da4f4568231d8aaf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
您最近一年使用:0次
名校
7 . 已知集合
,
,若
,则a等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac1deb6caffced382ed502e1e3cf389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f99eccd67b42b10b35cc8efe81d3e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
A.![]() | B.0或![]() | C.2 | D.![]() |
您最近一年使用:0次
2023-10-29更新
|
469次组卷
|
3卷引用:北京市大兴区精华学校2024届高三上学期12月月考数学试题
名校
8 . “
且
”是“
”的( )条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cfada8fd642ddf968bfd4228d48ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7925a4d2592cb38bd92cd9d6b4e732b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85e330a654d45871540a9b1ee2912cb.png)
A.充要 | B.必要不充分 |
C.充分不必要 | D.既不充分也不必要 |
您最近一年使用:0次
名校
解题方法
9 . 已知
是定义在
上周期为2的奇函数,当
时,
,则
在
上是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49790f1f2734ec05f6da9db8d2df1fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
A.增函数且![]() | B.增函数且![]() |
C.减函数且![]() | D.减函数且![]() |
您最近一年使用:0次
名校
解题方法
10 . 将函数
的图象上所有点的横坐标伸长到原来的2倍(纵坐标不变),再将所得图象向左平移
个单位,则所得函数图象的解析式是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2d42c265bf6f0aa912d84782501284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次