如图,李老师早晨出门去锻炼,一段时间内沿
的半圆形
路径匀速慢跑,那么李老师离出发点M的距离
与时间
之间的函数关系的大致图象是( )
![](https://img.xkw.com/dksih/QBM/2023/2/15/3175394798010368/3178076409888768/STEM/a9959a48bbcc4ae39b52847993624923.png?resizew=68)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0adeaa9f27ec57c016743839b777d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2023/2/15/3175394798010368/3178076409888768/STEM/a9959a48bbcc4ae39b52847993624923.png?resizew=68)
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17-18八年级下·湖北·课后作业 查看更多[4]
新人教版数学八年级下册第十九章一次函数19.1.2《函数图像》课时练习重庆市长寿区2022-2023学年九年级上学期期末数学试题(已下线)专题19.56 一次函数(中考常考知识点分类专题一)(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)吉林省长春市农安县2022-2023学年八年级下学期期中数学试题
更新时间:2023-02-19 13:15:55
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【推荐1】如图1,直角梯形ABCD中,∠B=90°,DC
AB,动点P从B点出发,由B﹣C﹣D﹣A沿梯形的边运动,设点P运动的路程为x,△ABP的面积为y,关于y与x的函数图象如图2,则直角梯形ABCD的面积为( )
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【推荐2】如图,直线
都与直线
垂直,垂足分别为
,
.等腰直角
的斜边
在直线
上,
,且点
位于点
处.将等腰直角
沿直线
向右平移,直到点
与点
重合为止.记点
平移的距离为
,等腰直角
的边位于直线
之间部分的长度和为
,则
关于
的函数图像大致为( )
![](https://img.xkw.com/dksih/QBM/2019/4/23/2188667338031104/2189101541941248/STEM/25ecebd811a2484d8755b49964d1d28e.png?resizew=186)
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