甲、乙两车在依次连通A、B、C三地的公路上行驶,甲车从B地出发匀速向C地行驶,同时乙车人B地出发匀速向A地行驶,到达A地并在A地停留1小时后,调头按原速向C地行驶.在两车行驶的过程中,甲、乙两车与B地的距离y(千米)与行驶时间x(小时)之间的函数图象如图所示,当甲、乙两车相遇时,所用时间为_____ 小时.
![](https://img.xkw.com/dksih/QBM/2017/11/12/1815634205409280/1817317956337664/STEM/cecdb99a0820414c819eb15dde76b24b.png?resizew=196)
更新时间:2017-11-20 00:29:29
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【知识点】 函数的图象
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填空题
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适中
(0.65)
【推荐1】如图,点
在线段
上由
向
匀速运动,速度为
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填空题
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适中
(0.65)
【推荐2】小聪用描点法画出了函数
的图象
,如图所示.结合旋转的知识,他尝试着将图象
绕原点逆时针旋转
得到图象
,再将图象
绕原点逆时针旋转
得到图象
,如此继续下去,得到图象
.在尝试的过程中,他发现点
在图象__ 上(写出一个正确的即可);若点
在图象
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__ (用含
的代数式表示).
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