解题方法
1 . 已知函数
.
(1)用五点法作图,填表并作出
的图像.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/7b281395-6a91-42d0-91e9-84666b4d81e8.png?resizew=228)
(2)求
在
,的最大值和最小值;
(3)若不等式
在
上恒成立,求实数 m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde3d513103beebf730d7ecfbea7ec66.png)
(1)用五点法作图,填表并作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
x | |||||
0 | |||||
y |
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/7b281395-6a91-42d0-91e9-84666b4d81e8.png?resizew=228)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b42048481d02f1112bbcd877790334.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86384fa92128289059349a8ccfa831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b42048481d02f1112bbcd877790334.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)求
的最小正周期;
(2)在给定的坐标系中,画出
在一个周期内的图像(必须写出作图过程).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/8f40cd82-9e29-40f0-9091-b4dc3de9e72f.png?resizew=222)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b674c072c3a92d02b711c1a81fc380.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在给定的坐标系中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/8f40cd82-9e29-40f0-9091-b4dc3de9e72f.png?resizew=222)
您最近一年使用:0次
2020-11-24更新
|
669次组卷
|
2卷引用:广东省深圳市罗湖区2019-2020学年高一上学期期末数学试题
3 . 已知函数
.
在区间
上的图象,他列出表格,并填入了部分数据,请你帮他把表格填写完整,并在坐标系中画出图象;
(2)已知函数
.
①若函数
的最小正周期为
,求
的单调递增区间;
②若函数
在
上无零点,求
的取值范围(直接写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb53e14aa7225debe814dc53dfa5cb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f998fc8fcf7da2931205de40cd6d4.png)
![]() | ![]() | ![]() | ![]() | ![]() | |
![]() | 0 | ![]() | ![]() | ![]() | |
![]() | 0 | 2 | 0 | 0 |
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a26e8f4212b5aa220abb86fc00902ef.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ceecc74c6f1f2bb03d025faa347bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66931c1273b2db867d41149e1fb3a8b9.png)
(1)填写下表,并用“五点法”画出
在
上的图象;
(2)将
的图象向下平移1个单位,横坐标扩大为原来的4倍,再向左平移
个单位后,得到
的图象,求
的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66931c1273b2db867d41149e1fb3a8b9.png)
(1)填写下表,并用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4b61d912f99e5583e7e17cf8fef558.png)
x | 0 | |||||
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/952eb447-8e3d-4ced-a705-cfb89794e4c7.png?resizew=207)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
您最近一年使用:0次
名校
5 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a956a9767a4bf63624c31cba1e72ce.png)
(1)求
;
(2)若
,且
,求
的值.
(3)画出函数
在区间
上的图像(完成列表并作图).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a956a9767a4bf63624c31cba1e72ce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a423e593de879ed0f4cfe054d8f3f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a64c7e28fd46eace2bc7fcba5e2d444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(3)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://img.xkw.com/dksih/QBM/2018/6/1/1957886927265792/2007600146096128/STEM/b365700c75be4ff08833ba7ab9e6bbbc.png?resizew=296)
您最近一年使用:0次
2018-08-10更新
|
802次组卷
|
2卷引用:河南省郑州市2020-2021学年高一下学期期末数学试题
名校
6 . 已知函数
.
(1)化简函数解析式,并填写下表,用“五点法”画出
在
上的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/7cd07d29-eddf-4c86-a1d8-2066afdc824f.png?resizew=337)
(2)将
的图象向下平移1个单位长度,横坐标扩大为原来的4倍,再向左平移
个单位长度后,得到
的图象,求
的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff135600c38210d4273f982efbf8e639.png)
(1)化简函数解析式,并填写下表,用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
![]() | ![]() | ![]() | ||||
![]() | 0 | ![]() | ||||
![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/7cd07d29-eddf-4c86-a1d8-2066afdc824f.png?resizew=337)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2023-02-22更新
|
763次组卷
|
3卷引用:广西百色市平果市铝城中学2023-2024学年高一上学期期末数学解答题专项训练(一)
广西百色市平果市铝城中学2023-2024学年高一上学期期末数学解答题专项训练(一)湖南省2022-2023学年高一下学期开年摸底联考数学试题(已下线)专题23函数y=Asin(ωx+φ) -【倍速学习法】(人教A版2019必修第一册)
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7d4edfed6a9cc5f83841d266f29518.png)
为奇函数,且相邻两个对称轴之间的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/85fbc3d1-d2b2-45e8-aa8b-0a600b11c8c4.png?resizew=310)
(1)求
的最小正周期和单调增区间;
(2)若
时,方程
有解,求实数
的取值范围.
(3)将函数
的图象向左平移
个单位长度,再把横坐标伸长到原来的
倍,纵坐标不变,再向上平移一个单位,得到函数
的图象.填写下表,并用“五点法”画出
在
上的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7d4edfed6a9cc5f83841d266f29518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a3357b2f080c0d6ad3a22c8252dca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/85fbc3d1-d2b2-45e8-aa8b-0a600b11c8c4.png?resizew=310)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d206c11cb08db735643168ffe7059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
您最近一年使用:0次
2023-01-16更新
|
358次组卷
|
3卷引用:山东省郯城第二中学2022-2023学年高一上学期期末考试数学试题
名校
8 . 某同学用“五点法”画函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
在某一个周期内的图像时,列表并填入了部分数据,如表:
(1)求函数
的解析式,并补全表中其它的数据;
(2)在给定的坐标系中,用“五点法”画出函数
在一个周期内的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/c4e79c5e-aac4-4db9-9c0c-0f053ad9641c.png?resizew=167)
(3)写出函数
的单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8b500229351d86428a10b487e2d841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在给定的坐标系中,用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/c4e79c5e-aac4-4db9-9c0c-0f053ad9641c.png?resizew=167)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcf961c4caea57b98607d7b7f5ded42.png)
您最近一年使用:0次
2019-02-07更新
|
505次组卷
|
3卷引用:【市级联考】江苏省镇江市2018-2019学年高一上学期期末数学试题
名校
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e4308e5830ca31ca27d17f153eb5e3.png)
(1)填写下表,并用“五点法”画出
在
上的图象;
![](https://img.xkw.com/dksih/QBM/2022/12/14/3130887871815680/3132333379461120/STEM/2b590d7382d44d578137c0dce9e1b1f2.png?resizew=282)
(2)将
的图象向下平移1个单位,横坐标扩大为原来的4倍,再向左平移
个单位后,得到
的图象,求
的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e4308e5830ca31ca27d17f153eb5e3.png)
(1)填写下表,并用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
x | 0 | |||||
![]() |
![](https://img.xkw.com/dksih/QBM/2022/12/14/3130887871815680/3132333379461120/STEM/2b590d7382d44d578137c0dce9e1b1f2.png?resizew=282)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494b75cdb69e535916cb039ce6986a05.png)
(1)求
的最小正周期;
(2)填写下面表格,并用“五点法”画出
在一个周期内的图像.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494b75cdb69e535916cb039ce6986a05.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)填写下面表格,并用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/17d146cb-0f72-4acb-96af-87242260afb2.png?resizew=373)
您最近一年使用:0次