解题方法
1 . 已知一次函数
满足
.
(1)求
的解析式;
(2)若对任意的
,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c16da4ac2c54b6fb83df050a0065969.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea148fa2e098f913b714510fd68dcd5a.png)
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2022-12-13更新
|
238次组卷
|
4卷引用:陕西省部分重点高中2022-2023学年高三上学期11月联考文科数学试题
名校
解题方法
2 . 设为正数,函数
,满足
且
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294ed75f9d437ffc32235bcb602365c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b29189359ca2451f939ec5b54dfd399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6d11d3f6ea4e1342dd416f5adce409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10070e58dbfcc514e7d17dd8afc29f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-12-13更新
|
299次组卷
|
2卷引用:山东省枣庄市滕州市2022-2023学年高一上学期期中数学试题
名校
解题方法
3 . (1)已知
是二次函数,且满足
,
,求
解析式;
(2)已知
,求
的解析式.
![](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)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011e0d15e9e36bf813a477b6b1f59750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2022-12-11更新
|
1559次组卷
|
4卷引用:广东省惠州市博罗县2022-2023学年高一上学期期中数学试题
名校
解题方法
4 . 已知二次函数
满足
的解集为
,且
.
(1)求
的解析式;
(2)当
时,求函数
的最大值
(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7fb22a6f0d8ee7c2e09d595a3ba75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a6317c2c5e8dbf0c97ab16a5a900f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
5 . (1)求值:
,
(2)已知
是一次函数,且满足
,求函数
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b4eebd2f6688eed0abd919a53f489d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a74f9a5f4c46b6cb29190619e3878831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
6 . 解答下列问题:
(1)已知
是一次函数,且满足
,求
的解析式;
(2)已知
满足
,求
的解析式.
(1)已知
![](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/7bbbd50c3bbea567733683e1f78a8e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
7 . 写出一个
的二次函数
的解析式 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376e34e1b37c4a7cc718518dc5015397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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名校
解题方法
8 . 某问题的题干如下:“已知定义在R上的函数
满足:①对任意
,均有
;②当
时,
;③
.”某同学提出一种解题思路,构造
,使其满足题干所给条件.请按此同学的思路,解决以下问题.
(1)求
的解析式;
(2)若方程
恰有3个实数根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3465c4e44cada743a7ace3b2f530a08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8f166e0692b7e56567f070fd169cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bce4d2d47cec9d1abd96f12a2c6ab5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d71d8f085cbd7f65e7fa07bcdaccd66.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d680949f6eac6052cbbfb1dea30783.png)
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解题方法
9 . 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
10 . 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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