名校
解题方法
1 . 如图,等腰直角
中,
,
分别在直角边
上,过点
作边
的垂线,垂足分别为
,设
,矩形
的面积与周长之比为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/9741fc26-8b6d-450a-a3ae-d064e7d89765.png?resizew=224)
(1)求函数
的解析式及其定义域;
(2)求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50da02f2eb11970b7ce46d9bf87e22a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d988be329b519dd1115fcc611fd30157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/9741fc26-8b6d-450a-a3ae-d064e7d89765.png?resizew=224)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2018-05-31更新
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825次组卷
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2卷引用:【全国校级联考】安徽省示范高中培优联盟2017-2018学年高一下学期春季联赛数学(理)试题