名校
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103443e36075a1eeacdabb8ab6f2e833.png)
(1)求函数
的图像与直线
交点的坐标:
(2)当
时,求函数
的最小值
(3)用单调性定义证明:函数
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103443e36075a1eeacdabb8ab6f2e833.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)用单调性定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4a226feca9d9095b0f68191245ed22.png)
您最近一年使用:0次
2021-01-26更新
|
621次组卷
|
6卷引用:北京市西城区2020-2021学年高一上学期期末考试数学试题
解题方法
2 . 已知函数
(Ⅰ)求
的值并直接写出
的零点;
(Ⅱ)用定义证明
在区间
上为减函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119174855d798b72931604e6b3956a3d.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c3b8df6a492a087def2c879b4e13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e4e1c7c04456eb2517165d3f54ece2.png)
您最近一年使用:0次
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3 . 已知函数
,
,
(1)①直接写出函数
的奇偶性;
②写出函数
的单调递增区间,并用定义证明;
(2)计算:
;
;
;
(3)由(2)中的各式概括出
和
对所有不等于0的实数
都成立的一个等式,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2981ce7dfb246ad72da74f9940dda1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f3b8eab5443cfc8616b88954d3536b.png)
(1)①直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ca5028b78b77b59f317ce2b0e94a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871f3707056e45b765ad2a82498509a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802c4ef1ae3a4ab885f7270881753e84.png)
(3)由(2)中的各式概括出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
4 . 已知函数
的图象过原点,且
.
(1)求实数a,b的值:
(2)若
,
,请写出m的最大值;
(3)判断并证明函数
在区间
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459d1d8477fd46ece5a65d40e32b4bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求实数a,b的值:
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf7a0098d4ea8a0ad76dab74698fcb3.png)
(3)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aadf26248a52f923338176c196be7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec701d4ae3d3f3bee11054ce13244756.png)
您最近一年使用:0次
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5 . 定义在
上的函数
满足
,当
时,
,则函数
满足______ .
(1)
;
(2)
是奇函数;
(3)
在
上有最大值
;
(4)
的解集为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9be84317ee1a24708cf6aea6d52485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d415c97598ae221e7bfaf95e3631021.png)
您最近一年使用:0次
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解题方法
6 . 已知函数
.
(1)判断
的奇偶性并证明.
(2)当
时,判断
的单调性并证明.
(3)在(2)的条件下,若实数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda679cfa78cb2bd36c6053aab24dce4.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4822413258fc3d417dd943c912f56920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-21更新
|
570次组卷
|
8卷引用:北京市中关村中学2021-2022学年高一上学期期中阶段学情调研数学试题
名校
7 . 已知定义在
上的奇函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebfe750836a5c7f42310ffc3cb8759f.png)
.
(1)求
;
(2)用定义证明:
在区间
上单调递减;
(3)若实数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebfe750836a5c7f42310ffc3cb8759f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3904c07a658f9c5f93f858224c52787b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)用定义证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a374e1d90dc5eb4116a7b7e2ed3ff8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-20更新
|
815次组卷
|
5卷引用:北京市育英中学2021-2022学年高一上学期期中考试数学试题
名校
解题方法
8 . 已知函数
,
.求正实数
的取值范围:
(1)任意
,存在
,使得
成立;
(2)存在
,使得
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6f9b6663be9cea0fa7fc57a7db83c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4006cb607c3244dc446595067696510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29aa8b14c20e800af22d42b19e594ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708a22ee92aa209d22390822e9ea3333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b1efb69ca9bd880766325ede3799c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3b1f02a33e3370d59d60cf58682a6.png)
您最近一年使用:0次
2020-11-02更新
|
378次组卷
|
2卷引用:北京市海淀外国语实验学校2022届高三9月月考数学试题
名校
解题方法
9 . 若函数
为偶函数,对任意
,
且
,都有
,则有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d95ebb47716681579a18c6a92f8524c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c37532eee686de2828ce0c17ed8ad8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-06-21更新
|
2290次组卷
|
6卷引用:卷15-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)
(已下线)卷15-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)贵州省毕节市2020届高三诊断性考试(三)理科数学试题陕西省西安市2022届高三下学期第二次质量检测文科数学试题湖南省长沙市第一中学2022届高三下学期一模数学试题福建省莆田第三中学2024届高三上学期第一次阶段测试数学试题河南省名校联盟2023-2024学年高一上学期12月考试数学试题
名校
10 . 若函数
与
分别是定义在
上的奇函数和偶函数,且
,则在区间
上( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b864f16bd99c24313c151b6aeb012e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2019-12-03更新
|
189次组卷
|
2卷引用:北京市一七一中学2020-2021学年高二6月月考数学试题