1 . 设矩形
的周长为
,把
沿
向
折叠,
折过去后交
于
,设
,
的面积为
.
(1)求
的解析式及定义域;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83c15e14023ca74a365b685f363a87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67681db3e8a25632855de3568e82082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbced129627233661d88e9663a9e13c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27019923c7c171034382701126954fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd51caff8d6cd6d3478fb4659789d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2019-09-11更新
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527次组卷
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3卷引用:四川省自贡市2018-2019学年高一下学期期末数学(文)试题