已知函数
.
(1)用“五点作图法”在给定的坐标系中,画出函数
在
上的图像;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/50923285-cc78-4e6f-828f-2b70b8e35165.png?resizew=233)
(2)先将函数
的图像向右平移
个单位后,再将得到的图像上各点的横坐标伸长为原来的4倍,纵坐标不变,得到函数
的图像,求
在
上的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e58ec35819bd449a0444c748d6f0971.png)
(1)用“五点作图法”在给定的坐标系中,画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/50923285-cc78-4e6f-828f-2b70b8e35165.png?resizew=233)
(2)先将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137d6a66a015ddd2a8076f35ed191927.png)
更新时间:2023-04-10 17:32:00
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解答题-作图题
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【推荐1】做简谐振动的小球上下运动,它在时刻
时相对于平衡位置
的位移
由下列函数关系式确定:
.
(1)以
为横坐标,
为纵坐标,作出这个函数的简图;
(2)求该简谐振动的振幅、周期、频率和初相.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fb80b591b497d8d7a6d8592160de44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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(1)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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(2)求该简谐振动的振幅、周期、频率和初相.
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【推荐2】用五点法作函数
的简图,并求函数的递减区间以及函数对称轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc722ded5791781b242ee25f8a3a485.png)
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解答题-作图题
|
较易
(0.85)
名校
解题方法
【推荐1】已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/10/11/2827242119200768/2833528619311104/STEM/09b10730-1d68-4325-adc4-f18805a1bcfb.png?resizew=394)
(1)求函数
在区间
上的值域;
(2)用五点法在网格纸中作出
在区间
上的大致图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1f52611e6201f01b4082945de8c0bf.png)
![](https://img.xkw.com/dksih/QBM/2021/10/11/2827242119200768/2833528619311104/STEM/09b10730-1d68-4325-adc4-f18805a1bcfb.png?resizew=394)
x | ||||||
f(x) |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61634811c9bfde0bd702d7ac243b32d2.png)
(2)用五点法在网格纸中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
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【推荐2】已知函数
.
(1)求
的单调递增区间;
(2)求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2795e77ea05f3eb581aec976e77bbee4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba7039324a6d810f4d5603d4edeb70e.png)
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解答题-作图题
|
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【推荐1】某同学用“描点法”画函数
在区间
上的图象时,列表并填入了部分数据,如下表:
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986464484057088/2987164597239808/STEM/cfb5080d-35b5-4c46-a5cd-88e2709e99fc.png?resizew=271)
(1)请将上表数据补充完整,并在给出的直角坐标系中,画出
在区间
上的图象;
(2)利用函数的图象,直接写出函数
在
上的单调递增区间;
(3)将
图象上所有点向左平移
个单位长度,得到
的图象,若
图象的一个对称中心为
,求
的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e245b921e1d4a735522680b7d6ebf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d4e402f43b62a3045d9f0da2e03441.png)
0 | ||||||
1 |
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986464484057088/2987164597239808/STEM/cfb5080d-35b5-4c46-a5cd-88e2709e99fc.png?resizew=271)
(1)请将上表数据补充完整,并在给出的直角坐标系中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d4e402f43b62a3045d9f0da2e03441.png)
(2)利用函数的图象,直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5ea79d75512a14d0b4d678b5880a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1904bb1310226c4b888683caaf0dcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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【推荐2】已知函数
的部分图象如图.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/10/508f19e6-6999-40fc-9f6a-5026f5da617a.png?resizew=180)
(1)求
的表达式;
(2)将函数
的图象向右平移
个单位长度得到曲线
,把
上各点的横坐标保持不变,纵坐标变为原来的2倍得到函数
的图象.若关于
的方程
在
恰有一个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb0e529f5d3ecd97fe9f54bd7695a2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/10/508f19e6-6999-40fc-9f6a-5026f5da617a.png?resizew=180)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d873ccbd26127bb543951eff8af9337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】在①
;②
;③
这三个条件中任选一个,补充在下面问题中.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/5b8b2f05-29b3-460d-b78a-c0a126763ee4.png?resizew=231)
问题:如图,直角
中,
,
,且__________,点
在
的延长线上,
,求
长.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaaac754c744dde63aca59c14b6ca217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a319f7def690b50a42e4994c113ddb2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0696d9698e549646e51640f03aeab1ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/5b8b2f05-29b3-460d-b78a-c0a126763ee4.png?resizew=231)
问题:如图,直角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5817084b1e3498be0566f31064266387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
注:如果选择多个条件分别解答,按第一个解答计分.
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【推荐2】设函数
.
(1)求函数
在区间
上的最大值和最小值;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c99bf37d6f5d53e3b56e1e77e5d201d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceba54c042e227b842c8f85628267c6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03e6ba967fd8ef8c6481457345a4c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cc042894211b8a5c97dac813a7c8cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
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