11-12高一上·四川内江·阶段练习
1 . 如图,在等腰梯形
中,
.直线
,由点
向点C移动,至点C完毕,记扫描梯形时所得直线
左侧的图形面积为
.试求
的解析式,并画出
的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f8b751f0a6dc46675b9df1ccc5f32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c03f0156764e6358d83697ea14c5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dafff83fd807d0010d1805d9f4552e.png)
![](https://img.xkw.com/dksih/QBM/2011/12/23/1570630655557632/1570630660923392/STEM/75b9803b76364dc3bb7f006d3ffc1a21.png?resizew=174)
您最近一年使用:0次
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6e2904b6dc2131f4287a57d6fe4e75.png)
(1)用分段函数的形式表示该函数;
(2)画出该函数的图象;
(3)写出该函数的定义域,值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6e2904b6dc2131f4287a57d6fe4e75.png)
(1)用分段函数的形式表示该函数;
(2)画出该函数的图象;
(3)写出该函数的定义域,值域.
![](https://img.xkw.com/dksih/QBM/2016/3/21/1572551200194560/1572551206338560/STEM/86b94896cee847e48131f96694d64388.png?resizew=293)
您最近一年使用:0次