解题方法
1 . 求下列函数的解析式:
(1)已知函数
,求函数
的解析式;
(2)已知
是二次函数,且
,求
的解析式.
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2584acf4f606da6d0d2f800764c204.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/3b52265a268ea0d46a816309b91bd3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
2 . 已知函数
,点
,
是
图象上的两点.
(1)求函数
的解析式;
(2)判断函数
在
上的单调性,并说明理由;
(3)定义:区间
的长度为
,问是否存在区间
,使得
时,
的值域为
,若存在,求出此区间长度的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19651da570980f3ea96244eac374eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c928a84ae85ae403a181802337c5e145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590337b3868db8523eeb7f448efcf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
(3)定义:区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e94889b4e0d2bb901971ee0b8fb45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e207cf62e3a7e282eac4c4a3455bbf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc313a039048bff5fb10de921aaef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8efd722e447c94679c78ad21c873488.png)
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解题方法
3 . 已知定义在
上的函数
的图像经过原点,在
上为一次函数,在
上为二次函数,且
时,
,
,
(1)求
的解析式;
(2)求关于
的方程
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd52ef062e1934be348f2309946b1f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a9b20148c1cc9a9c074cc02f1ae53e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389c5eb9278242f235dfcb45e687f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c517b75311fa3ecde4b5ae58e1a8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b180050deedaeac8ee55b069a4dc779c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e4c8c30e8a962aa563b1bb551a6ad9.png)
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|
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3卷引用:辽宁省鞍山市2022-2023学年高一上学期期中数学试题
解题方法
4 . 已知
是一次函数,且满足
,
(1)求
;
(2)已知
为偶函数,当
时,
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f992effeab31bc5ab1e97365106ad482.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d1a94ea3c278c2197572cc1b7725b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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名校
解题方法
5 . 二次函数
满足
,且
.
(1)求
的解析式;
(2)求
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1411816d68d852519d5828af2c8f47a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46305fedfb17a208a8b4cab7ebceddfc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d88b9e2055fa4d970dcb15ed79de582.png)
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2卷引用:天津外国语大学附属外国语学校2022-2023学年高一上学期期中数学试题
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解题方法
6 . 分别求下列条件下函数
的解析式:
(1)
是一次函数,且
;
(2)已知
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87486c9610eb4f0ce0e814be93a4093c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265f526e54795010a8e6910670593931.png)
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解题方法
7 . 二次函数
满足
,且
.
(1)求
的解析式;
(2)求
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad03ae14c86a74b1ccf7ad7f7c3ba441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.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/33782898b0396ffaefe9245850f888a9.png)
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6卷引用:宁夏回族自治区银川一中2022-2023学年高一上学期期中考试数学试题
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解题方法
8 . 求下列函数的解析式:
(1)已知
是一次函数,且满足:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca03ef39454b7177b9d49648a1d05285.png)
(2)已知函数
满足:
.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca03ef39454b7177b9d49648a1d05285.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530a661f4f5155edd32d9163e2a0eba9.png)
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解题方法
9 . 下列说法正确的是( )
A.偶函数![]() ![]() ![]() |
B.一次函数![]() ![]() ![]() ![]() |
C.奇函数![]() ![]() ![]() ![]() |
D.若集合![]() ![]() |
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解题方法
10 . (1)已知
为一次函数,若
,求
的解析式.
(2)已知函数
是定义在
上的奇函数,当
时函数
,求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4c363d6d0105df47f7dbbce00353c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1739caa2de8b07ddbcff8462806f20ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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