解题方法
1 . 某同学用“五点法”画函数
在一个周期内的简图时,列表如下:
则
的解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34972dc4df872620454e8b0227ffafda.png)
![]() | 0 | ![]() | π | ![]() | 2π |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | 2 | 0 | ![]() | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b659146043ee17e549578998318b2c12.png)
在一个周期内的图象如图所示,则此函数的解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b659146043ee17e549578998318b2c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c59644356e7ebf26de68591a110e9fa.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-06-19更新
|
365次组卷
|
3卷引用:北京市顺义区2022-2023学年高一下学期期中考试数学试题
名校
解题方法
3 . 用五点法作函数
的图像时,得到如下表格:
则A,ω,φ的值分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86d2d0a54603f596d3a69cdbc9f21c4.png)
x | ![]() | ![]() | |||
![]() | 0 | ![]() | π | ![]() | 2π |
y | 0 | 4 | 0 | 0 |
A.4,2,![]() | B.4,![]() ![]() | C.4,2,![]() | D.4,![]() ![]() |
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解题方法
4 . 已知函数
,
,其图象如下图所示.为得到函数
的图象,只需先将函数
图象上各点的横坐标缩短到原来的
(纵坐标不变),再( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e88d9a39167146f5d8494c4f244807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d907452358d3840049b719fd6136525.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.向右平移![]() | B.向右平移![]() |
C.向左平移![]() | D.向左平移![]() |
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2023-06-14更新
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448次组卷
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4卷引用:北京市首都师范大学附属中学2022-2023学年高一下学期期中练习数学试题
5 . 函数
(
,
,
)的部分图像如图,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b2aff02f58e35deff04da2a4cedd5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7e96d9b789394617b8782edb5c143d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/30/c2618a81-84e7-4603-aa91-9a7181b7d2fd.png?resizew=150)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-05-27更新
|
341次组卷
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3卷引用:河南省信阳市百师联盟2022-2023学年高一下学期期中考试数学试题
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解题方法
6 . 如图,函数
(
,
,
)的部分图象与坐标轴的三个交点分别为
,Q,R,且线段RQ的中点M的坐标为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61aaa4794ba51dc328aedbbc47c35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f510553e86de6f32f32f4208a56173a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4886e28e9ecd40f7edd25f25bde28453.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/25/7f5a4dde-104d-4008-8336-5cb1f45c2f22.png?resizew=189)
A.1 | B.-1 | C.![]() | D.![]() |
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2023-05-24更新
|
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2卷引用:四川省成都石室中学2022-2023学年高一下学期期中考试数学试题
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解题方法
7 . 函数
(
﹥
,
且
)在一个周期内的图象如图所示,下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2023/5/10/3234814718205952/3236330387849216/STEM/f4d276b6690d4c8b94c60c20dc1d3219.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61aaa4794ba51dc328aedbbc47c35c.png)
![](https://img.xkw.com/dksih/QBM/2023/5/10/3234814718205952/3236330387849216/STEM/f4d276b6690d4c8b94c60c20dc1d3219.png?resizew=152)
A.![]() | B.![]() ![]() |
C.![]() | D.把![]() ![]() ![]() |
您最近一年使用:0次
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8 . 已知函数
的部分图象如图所示,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/0eaf9725-ab07-42b4-ab1b-51ab83ecaa82.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c5911fd5385666eb14d2db6571ebe9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/0eaf9725-ab07-42b4-ab1b-51ab83ecaa82.png?resizew=176)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
的部分图象如图所示,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/4bf9cf7a-05dc-47e0-ae3d-f738d2b35b63.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61549526dfdec04295c59fee1a85f213.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/4bf9cf7a-05dc-47e0-ae3d-f738d2b35b63.png?resizew=162)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
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解题方法
10 . 要得到函数
的图象,只需先将函数
的图象上所有点的横坐标缩短到原来的
(纵坐标不变),再将所得图象上的所有点( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.向左平移![]() | B.向右平移![]() |
C.向左平移![]() | D.向右平移![]() |
您最近一年使用:0次
2023-05-11更新
|
442次组卷
|
3卷引用:北京市海淀区北京大学附属中学行知学院2022-2023学年高一下学期期中数学试题