20-21高一上·全国·课后作业
解题方法
1 . (1)已知
是一次函数,且满足
,求
的解析式;
(2)已知
为二次函数,且满足
,求
的解析式;
(3)已知
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d744574803077433d8f181566aca3e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facb7781d2259b4a76ab887c6354a93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0ca87a7eb05a506956c9a10771b384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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19-20高一·全国·课后作业
2 . 已知函数
是反比例函数,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f247866d4020ed309d4e4d121ce445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
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20-21高一·全国·课后作业
解题方法
3 . 已知二次函数
满足
,且对任意
,总有
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ead5b9cf05fb52400f4bf7717410b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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19-20高一·全国·课后作业
解题方法
4 . 已知函数
,且
,
.
(I)求
的函数解析式;
(II)求证:
在
上为增函数;
(III)求函数
在区间
的值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5580bdaab30c1b6001b95ecf8bdba90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b122bc5f427c0c5fb3ee495b38a6e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7743bbf4f8c56ba57f4386fa1cd70451.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(II)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7207cebe3ea9573647aee3b6f029fb72.png)
(III)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e48690edc3429da2d23c25151296.png)
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解题方法
5 . 根据已知条件,求函数的解析式.
(1)已知
为一次函数,且
,求
的解析式.
(2)下图为二次函数
的图像,求该函数的解析式.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db3abdef2768385839f91a5a23947c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)下图为二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://img.xkw.com/dksih/QBM/2020/8/20/2531951322759168/2533264649207808/STEM/65f4c00389fb4d3cb4beea580d85e3ea.png?resizew=161)
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2020-08-22更新
|
634次组卷
|
6卷引用:[新教材精创]第3章函数的概念与性质练习(2) -人教A版高中数学必修第一 册
(已下线)[新教材精创]第3章函数的概念与性质练习(2) -人教A版高中数学必修第一 册北京西城区育才中学2017-2018学年高一上学期期中考试数学试题(已下线)2019年一轮复习讲练测【新课标版理】第二章测试卷(已下线)2019年一轮复习讲练测【新课标版数学】第二章测试卷(已下线)2019年一轮复习讲练测【新课标版文】第二章测试卷福建省莆田第七中学2021届高三上学期第一次月考数学试题
19-20高一·全国·课后作业
解题方法
6 . (1)已知
,求
的解析式.
(2)已知
是二次函数,且满足
,
,求
的解析式;
(3)已知函数
对于任意的x都有
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab243207160c36bb807bdd93be82456b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c811aac7882ab358d59ee0ee49a029d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef5ab1605d6930808770a5bf2386980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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19-20高一·全国·课后作业
7 . 设
表示不超过
的最大整数,若
,
.
(1)求
;
(2)写出差函数
在
上的解析式并作出其图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65fc2b5f198801643af05d8c916045b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41e4032b46f41f773416c5e20b2809d.png)
(2)写出差函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
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19-20高一·全国·课后作业
解题方法
8 . 已知
是一次函数,满足
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c26185dc7a83b0093717fe36a9e64b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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19-20高一·全国·课后作业
解题方法
9 . (1)已知
,
为一次函数,且
随
值增大而增大.若
,求
的解析式;
(2)已知
,求
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.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/491684a0b501f04141a750202ab3bc68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fbdfe67b409230d7d918d4b0a76917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb6da917059d222ce74adae88054fbc.png)
您最近一年使用:0次
19-20高一·全国·课后作业
解题方法
10 . 已知函数
为一次函数,且一次项系数大于零,若
求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f27180370c90fdf5c62c78267f99e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36675ac104bcba67380d23387b45715d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次