名校
1 . 如图,
为定圆
的直径,点
为半圆
上的动点.过点
作
的垂线,垂足为
,过
作
的垂线,垂足为
.记弧
的长为
,线段
的长为
,则函数
的大致图像是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/03816568-c59f-4089-a982-30d4ac682731.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/03816568-c59f-4089-a982-30d4ac682731.png?resizew=158)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-10-30更新
|
371次组卷
|
3卷引用:上海理工大学附属中学2021-2022学年高一下学期期中数学试题
名校
2 . 如图,函数
的图像是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a3050f7b0e02bf1ee30fc5436d3bfe.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-01-19更新
|
225次组卷
|
2卷引用:上海市松江区2016-2017学年高一下学期期末质量监控数学试题
3 . 如图,函数
的图像是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8129f235e4fc27d7ac4a634093013eb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 如图,△AOD是一直角边长为1的等腰直角三角形,平面图形OBD是四分之一圆的扇形,点P在线段AB上,PQ⊥AB,且PQ交AD或交弧DB于点Q,设AP=x(0<x<2),图中阴影部分表示的平面图形APQ(或APQD)的面积为y,则函数y=f(x)的大致图像是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/ce20e98c-788f-4dff-81ab-ed087e708e5b.png?resizew=125)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/ce20e98c-788f-4dff-81ab-ed087e708e5b.png?resizew=125)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-11-12更新
|
480次组卷
|
5卷引用:陕西省西安中学2019-2020学年高一上学期期中数学试题
陕西省西安中学2019-2020学年高一上学期期中数学试题(已下线)第五章 函数概念与性质(提分小卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(苏教版2019必修第一册)河南省郑州外国语学校2020-2021学年高一上学期第一次月考数学试题江苏省常州市新北区西夏墅中学2022届高三上学期开学数学试题(已下线)专题11 函数的图象-2
名校
5 . 如图,圆
与
轴的上交点为
,动点
从
点出发沿圆
按逆时针方向运动,设旋转的角度
(
),向量
在
方向的射影为
(
为坐标原点),则
关于
的函数
的图像是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/74876af0-04d2-4c89-a207-87ab41d5ada7.png?resizew=121)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9e6796f834bd176928b408a6c43c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25748fbae8b089db0b077bfc1733a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e154ff4d600e93e8d75e74da6fa7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58ad27f21fca5ec872bf19fa52a7899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](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/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/74876af0-04d2-4c89-a207-87ab41d5ada7.png?resizew=121)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-07-10更新
|
291次组卷
|
2卷引用:江西省九江第一中学2016-2017学年高一下学期期末考试数学(文)试题
6 . 圭表(如图甲)是我国古代一种通过测量正午日影长度来推定节气的天文仪器,它包括一根直立的标竿(称为“表”)和一把呈南北方向水平固定摆放的与标竿垂直的长尺(称为“圭”),当太阳在正午时刻照射在表上时,日影便会投影在圭面上,圭面上日影长度最长的那一天定为冬至,日影长度最短的那一天定为夏至.图乙是一个根据某地的地理位置设计的主表的示意图,已知某地冬至正午时太阳高度角(即
)大约为
,夏至正午时太阳高度角(即
)大约为
,圭面上冬至线与夏至线之间的距离(即DB的长)为a,则表高(即AC的长)为__________ .(注:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b7bb1dd9e1bb49e95ecc1eb09b17f37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/4527d01f-ec6a-44f2-8e2a-71a45af892c8.png?resizew=465)
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解题方法
7 . 某校为了解学生对新食堂用餐满意度的情况,按性别采用分层随机抽样的方法,从全校抽取200名学生分别对食堂进行评分,满分为100分,分数在
为不满意,
为一般,
为比较满意,
为满意,
为非常满意.调查结果显示:最低分为51分,最高分为100分.将男、女生的评分结果分别整理成了频数分布表(如图1)和频率分布直方图(如图2),则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/cedbf132-7048-4b00-af0e-8ffa8141f4b1.png?resizew=311)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627a86a6ccc6968f95c9e26db5c4b80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8826cd3a88388c3896b1e429fabd437f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58d9a123e465dace224231f54ee94e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a40cf767fd2a684f2f1ed9216836792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a0dc3b0349c53d7bf36dfe97958cea.png)
分数区间 | |||||
频数 | 3 | 3 | 16 | 38 | 20 |
图1
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/cedbf132-7048-4b00-af0e-8ffa8141f4b1.png?resizew=311)
A.女生样本评分在![]() |
B.女生样本评分的众数约为85分, |
C.女生样本评价的平均分比男生样本评价的平均分低, |
D.由样本总体评分的平均数来估计学生的总体评价,评价结论为“满意”. |
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14-15高一上·江西赣州·期末
8 . 如图,点
在半径为
的半圆上运动,
是直径,当
沿半圆弧从
到
运动时,点
经过的路程
与
的面积
的函数
的图像是下图中的( )
![](https://img.xkw.com/dksih/QBM/2014/4/2/1571596165136384/1571596170706944/STEM/0264b445970b4a3cb073dc4f67622c50.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d7dd733fe8e8d7bdbe1b8190cfdf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2014/4/2/1571596165136384/1571596170706944/STEM/0264b445970b4a3cb073dc4f67622c50.png?resizew=168)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 某校全体教师年龄的频率分布表如表1所示,其中男教师年龄的频率分布直方图如图2所示.已知该校年龄在
岁以下的教师中,男女教师的人数相等.
表1:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/87bde2e4-f486-4c3c-a167-0401c904a503.png?resizew=264)
(1)求图2中
的值;
(2)若按性别分层抽样,随机抽取16人参加技能比赛活动,求男女教师抽取的人数;
(3)若从年龄在
的教师中随机抽取2人,参加重阳节活动,求至少有1名女教师的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba505969331b28f0e2d3047d49988914.png)
表1:
年龄(岁) | [25,30) | [30,35) | [35,40) | [40,30) | [45,50) | [50,55) | [55,60) | 合计 |
人数 | 6 | 8 | 11 | 23 | 18 | 9 | 5 | 80 |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/87bde2e4-f486-4c3c-a167-0401c904a503.png?resizew=264)
(1)求图2中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若按性别分层抽样,随机抽取16人参加技能比赛活动,求男女教师抽取的人数;
(3)若从年龄在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3936da712fd5463f7d7c50a5f8f449.png)
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10 . (1)画出图所示的几何体的三视图.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/edfb36c1-2b21-4f26-9182-efd6df3a0f91.png?resizew=150)
(2)如图,以所给机器零件的正前方为正面方向,试画出它的三视图.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/34d199e7-e649-4437-8f05-1b73b080ccd0.png?resizew=154)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/edfb36c1-2b21-4f26-9182-efd6df3a0f91.png?resizew=150)
(2)如图,以所给机器零件的正前方为正面方向,试画出它的三视图.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/34d199e7-e649-4437-8f05-1b73b080ccd0.png?resizew=154)
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