解题方法
1 . 设函数
的定义域为
,且
满足如下性质:(i)若将
的图象向左平移2个单位,则所得的图象关于
轴对称,(ii)若将
图象上的所有点的纵坐标不变,横坐标缩短为原来的
,再向左平移
个单位,则所得的图象关于原点对称.给出下列四个结论:
①
;
②
;
③
;
④
.
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac239968ce1d683d8ab7da9193dc8d4.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e51098faff12b6f09b849ac94e71a6c.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085c44cad2597274a93fe073d8e98985.png)
其中所有正确结论的序号是
您最近一年使用:0次
2024-01-04更新
|
619次组卷
|
3卷引用:北京市大兴区2024届高三上学期期末数学试题
2 . 已知函数
的值域为
,且关于x的不等式
的解集为
.则有如下结论:
①
;
②函数
图像与直线
的两个交点之间的距离等于6;
③若关于x的不等式
的解集为
,则
;
④
的值与
的大小有关.
其中所有正确结论的序号是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acd04f62bbce37e384254b337d24620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a2d1f0df2c0a8fae29b0117bdd7ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba18457e072ac06b381c3f73c90ba9b3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dd96cd4dd5d6d7dd660c00e443bbaa.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008e80e33ba7b182a6d82862fadc8009.png)
③若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585080b717e145c729881a42b4dd533b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cadcbd692b0b44dac4bc2bf2bf2759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8503e2b6f81cb4c978a21a71ac5ef840.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
其中所有正确结论的序号是
您最近一年使用:0次
解题方法
3 . 已知随机变量
和
的分布列分别是:
能说明
不成立的一组
的值可以是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671398cefc5ec05521efd88b1afc89f5.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d81f2bd97c070df88267759a704832.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5031a3a951c4a1d1c5e9f80a5e26513.png)
X1 | 0 | 1 |
p | ||
0 | 1 | |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bc243426d6bba87990125563d720cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc0e9133ff2edbec8bcb2222a469513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671398cefc5ec05521efd88b1afc89f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d81f2bd97c070df88267759a704832.png)
您最近一年使用:0次
2023-07-09更新
|
424次组卷
|
5卷引用:北京市大兴区2022-2023学年高二下学期期末考试数学试题
北京市大兴区2022-2023学年高二下学期期末考试数学试题7.3.2离散型随机变量的方差(已下线)专题01 条件开放型(二)【讲】【通用版】【北京专用】专题07概率与统计(第二部分)-高二上学期名校期末好题汇编(已下线)专题06 离散型随机变量分布列及成对数据统计分析6种常考题型归类-1
4 . 某高台跳水运动员在运动过程中的重心相对于水面的高度
(单位:
)与跳起后的时间
(单位:
)存在函数关系
,
的图象如图所示,已知曲线
在
处的切线
平行于
轴,根据图象,给出下列四个结论:
①在
时高度
关于时间
的瞬时变化率为
;
②曲线
在
附近比在
附近下降得慢;
③曲线
在
附近比在
附近上升得快;
④设在
和
时该运动员的瞬时速度分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f55724f7ee57bd395eb3b95393c68.png)
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602d1b2e4f1ba4784c0030ad379dc914.png)
,则
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7a1500e8c55a333fcb40d749ed8088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82120861c1c4f7cc1a7a3f169f082a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/6b459c44-4032-466a-8702-e1539783ff8a.png?resizew=119)
①在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82120861c1c4f7cc1a7a3f169f082a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
②曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b1e1e25b1b8633d360f0922605ff2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719a627af6b0de19823983b65637cd92.png)
③曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3628e2583517dddb1148b929642bfdfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bade62c061fc94c754b6a06790ea6a.png)
④设在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b1e1e25b1b8633d360f0922605ff2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bade62c061fc94c754b6a06790ea6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f55724f7ee57bd395eb3b95393c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb53d5e68cfdbe0a24471a3a2ac6aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602d1b2e4f1ba4784c0030ad379dc914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb53d5e68cfdbe0a24471a3a2ac6aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a3645e6aa2d5450d539efa8cf97d66.png)
其中所有正确结论的序号是
您最近一年使用:0次
5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938b2ae7ed25336d9056cb8e23fb0022.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938b2ae7ed25336d9056cb8e23fb0022.png)
您最近一年使用:0次
6 . 若
,并且
,则
由小到大的顺序排列是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db099509012f0edaadf555324473fe85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfa58b0f54825a3ba17ea96dd298459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0224cd2988d2cc1251543b2060190732.png)
您最近一年使用:0次
7 . 如图,一次函数
的图像与
轴的交点坐标为
,有下列四种说法:
①
随
的增大而减小; ②
;
③关于
的方程
的解为
; ④不等式
的解集是
.
其中说法正确的有______ (把你认为说法正确的序号都填上).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
③关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c8dfa0fb17907bb65f5906fe342e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2873942b9f3141213ecd93f42aa270d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
其中说法正确的有
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/92613e28-8e25-49c8-ae5f-0357c8fe38e4.png?resizew=158)
您最近一年使用:0次
8 . 某工厂现在平均每天比原计划多生产50台机器,现在生产600台机器所需时间与原计划生产450台机器所需时间相同,现在平均每天生产______ 台机器.
您最近一年使用:0次
解题方法
9 . 现要从甲、乙两位射击运动员中选择一人参加某一赛事,两位运动员以往射击环数数据如下:
如果从平均水平和发挥稳定性角度考虑,拟选择的人选是___________ ;理由是___________ .
甲的环数![]() | 8 | 9 | 10 |
![]() | 0.2 | 0.6 | 0.2 |
乙的环数![]() | 8 | 9 | 10 |
![]() | 0.4 | 0.2 | 0.4 |
您最近一年使用:0次
10 . 如图是一种科赫曲线,其形态似雪花,又称雪花曲线.其做法是:从一个正三角形(记为
)开始,把每条边分成三等份,然后以各边的中间线段为底边,分别向外作正三角形,再把此中间线段去掉,得到图形
;把
的每条边三等份,以各边的中间线段为底边,向外作正三角形后,再把此中间线去掉,得到图形
;依此下去,得到图形序列
,
,
,…,
,….设
的边长为1,图形
的周长为
.给出以下四个结论:①
;②
;③
既有对称轴,也有对称中心;④若
,则n的值最接近于16.以上正确结论的序号是______ .(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd193410f03dbd808084e87a2693b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f4866a0ec23daa588e2269b06a57f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2acc67a6db40b13ce4cfcc892a6aa71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f218b818198399c4afb21a63c6ab5b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57edbe92d8ee1225893925e56a076ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8288e1d872c6b5872b84a32469ff9e76.png)
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990608080601088/2993214108377088/STEM/983e0b66-c3b7-48ed-9fba-4e01b691e963.png?resizew=205)
您最近一年使用:0次
2022-06-03更新
|
158次组卷
|
2卷引用:北京市大兴区兴华中学2022届高三三模数学试题