名校
1 . 已知函数
是定义域为
的奇函数,当
时,
.
(1)求出函数
在
上的解析式;
(2)画出函数
的图象,并写出单调区间;
(3)若
与
有
个交点,求实数
的取值范围.
![](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/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
(1)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-12-28更新
|
203次组卷
|
11卷引用:甘肃省酒泉市实验中学2023-2024学年高二上学期学业水平合格性考试数学模拟试题(三)
甘肃省酒泉市实验中学2023-2024学年高二上学期学业水平合格性考试数学模拟试题(三)福建省厦门市双十中学2018-2019学年高一上学期10月月考数学试题浙江省台州市七校联盟2020-2021学年高一上学期期中联考数学试题(已下线)第三章(基础过关) 函数概念与性质 A卷-【双基双测】2021-2022学年高一数学同步章AB卷(浙江专用)(人教A版2019必修第一册)新疆沙湾县第一中学2021-2022学年高一上学期期中考试数学试题(已下线)第07讲 函数与方程 (高频考点-精练)新疆伊犁州霍城县第二中学2022-2023学年高一上学期(线上)期中考试数学试题贵州省黔西南州金成实验学校2021-2022学年高一上学期12月月考数学试题第三章 函数的概念与性质 (练基础)陕西省咸阳市高新一中2023-2024学年高一上学期第三次质量检测数学试卷海南省2023-2024学年高一下学期期末考试数学试题
解题方法
2 . 已知向量
、
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770ce835ba3671d6bb551abe81038b6d.png)
且
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
则向量
与
的夹角为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770ce835ba3671d6bb551abe81038b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
3 . 已知定义在
上的奇函数
,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ba8354b20ecf73e7c20db744029365.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e77edbb8f34dceb468a3b093306c979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ba8354b20ecf73e7c20db744029365.png)
您最近一年使用:0次
4 . 命题“存在
,
”的否定是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ed7f654a146f6b3f21855f802a87f6.png)
您最近一年使用:0次
5 . 在
中,角
的对边分别是
,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c53f43770c0d22fcbcd771a933fde.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5480431f7667be1b717e39a4540bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c53f43770c0d22fcbcd771a933fde.png)
您最近一年使用:0次
2023-12-27更新
|
510次组卷
|
2卷引用:甘肃省2022年普通高中学业水平合格性考试数学试卷
6 . 已知向量
的夹角为
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290710d643ab6cd3b9edd73815b1d8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5fafcc824b5cfb2d830a9e0adc2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0265263565db5076958f2f9a95566a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6fce004c47849c29ebd8d5d7c16e98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 棱长为2的正方体内切球的表面积为_______ ,棱长为3的正方体外接球的体积为_______
您最近一年使用:0次
8 . 数据12,14,15,17,19,23,27,30,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f10551524cd673a9fce3778b7d20f21.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ff0581cc9493737267f475272c3b03.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f10551524cd673a9fce3778b7d20f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ff0581cc9493737267f475272c3b03.png)
您最近一年使用:0次
解题方法
9 . 在正四棱锥
中,
分别是
的中点,过直线
的平面
分别与侧棱
交于点
.
![](https://img.xkw.com/dksih/QBM/2023/11/22/3373398996164608/3388586840621056/STEM/89f802a55ba745cc8e40ab79726780ee.png?resizew=192)
(1)求证:
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930e85bc9f73e86cfb6ce9b076433f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://img.xkw.com/dksih/QBM/2023/11/22/3373398996164608/3388586840621056/STEM/89f802a55ba745cc8e40ab79726780ee.png?resizew=192)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9948a4eeae82dd50df79cf3c746adf31.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828247a3338571cb0d4ba2a5bf88929c.png)
您最近一年使用:0次
解题方法
10 . 已知函数
是定义在R上的奇函数,满足
,且当
时,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8b527865aefa9186462f2ad4a72617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1356529b99240cf586a0ee624be73c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16274ed3be91f1c9b7abe08990442cf.png)
A.0 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次