1 . 对于函数
,若实数
满足
,则
称为
的不动点.已知函数
.
(1)当
时,求证:
;
(2)当
时,求函数
的不动点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283794ec542a53ccc16cf5fcb1367bec.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2 . 已知数列
是首项为1的等差数列,
是公比为3的等比数列,且
.
(1)求
和
的通项公式;
(2)记
为数列
的前
项和,
,求
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9577321bd85f232a0fecb06639171e90.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d07eebd34125e621651cd0e8688830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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3 . 在平面直角坐标系
内,若直线
绕原点
逆时针旋转
后与圆
有公共点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e788a289771f6005b8cde7f30a1596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6380f35cdd3050759a4a91b8637adc1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d925c785035e309eaf0508ec78c82b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 设
,
,
,则
、
、
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f41ad882b8485a8433fcd07b5c450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d888785a811049c754b9b56073a5b7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf4cd054301a64158ef3a40daf064a0.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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解题方法
5 . 如图所示的曲线为函数
的部分图象,将
图象上所有点的横坐标伸长到原来的
倍,再将所得曲线向左平移
个单位长度,得到函数
的图像,则
的解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb9431a78b5c0244f4c34989e620683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c487fec20bd809e0baf5cb39afe8979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 如图,在四棱锥
中,平面
平面
,底面
为菱形,
,
是
的中点.
平面
.
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc7eef759df95a3ed7247d1b282f506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6c2dad46a9052a4185a4f7b4ae8a2e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9f783884705e6092fd35fd9222dae1.png)
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2024-05-16更新
|
1510次组卷
|
4卷引用:内蒙古自治区呼伦贝尔市2024届高三下学期二模理科数学试题
7 . 为提升基层综合文化服务中心服务效能,广泛开展群众性文化活动,某村干部在本村的村民中进行问卷调查,将他们的成绩(满分:100分)分成7组:
.整理得到如下频率分布直方图.
的值并估计该村村民成绩的平均数(同一组中的数据用该组区间的中点值代表);
(2)从成绩在
内的村民中用分层抽样的方法选取6人,再从这6人中任选3人,记这3人中成绩在
内的村民人数为
,求
的分布列与期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0349adc04526b32fe3c7d1881999cdf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)从成绩在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72e5aa5e8b8f737f003ecc581d85cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d90faf85d1548242098a6fe3accd84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
您最近一年使用:0次
2024-05-14更新
|
1669次组卷
|
5卷引用:内蒙古自治区呼伦贝尔市2024届高三下学期二模理科数学试题
名校
解题方法
8 . 已知函数
的部分图像如图所示,则
的解析式可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-09更新
|
735次组卷
|
3卷引用:内蒙古乌海市第十中学2024届高三下学期4月月考文科(一)数学试题
名校
解题方法
9 . 已知
,函数
的大致图象可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba49126163d5963d8983787f949a8c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e78f33b24f1c3131e995d9f3192819.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
255次组卷
|
4卷引用:内蒙古自治区兴安盟2023-2024学年高二下学期学业水平质量检测数学试题
10 . 已知定义在
上的奇函数
的图象是一条连续不断的曲线,
是
的导函数,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
时,
,且
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc7cc9e2d6cfe945147931be58ca496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3037d238af7d81043f4972e80b3bc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3587ff064f9af01371279ab75d22116c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b2a362d121f61053dd993b2a752e74.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
379次组卷
|
3卷引用:内蒙古自治区兴安盟2023-2024学年高二下学期学业水平质量检测数学试题
内蒙古自治区兴安盟2023-2024学年高二下学期学业水平质量检测数学试题甘肃省白银市2023-2024学年高二下学期5月期中考试数学试题(已下线)专题5 抽象函数构造解函数不等式问题【练】(高二期末压轴专项)