甲乙两车从A城出发匀速驶向B城,在整个行驶过程中,两车离开A城的距离
与甲车行驶的时间
之间的函数关系如图,下列结论正确的有( )个
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/8929e4b1-75ad-4225-9a31-64f62bb5a26d.png?resizew=154)
①A、B两城相距300千米;
②甲车比乙车早出发1小时,却晚到1小时;
③相遇时乙车行驶了2.5小时;
④当甲乙两车相距50千米时,t的值为
或
或
或![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad9de54606c4a72d0f8decb6b0e63b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2565497b6ba6f0cdc2be772096801c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcea0f32af0da4e4ce66764d09db9ef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/8929e4b1-75ad-4225-9a31-64f62bb5a26d.png?resizew=154)
①A、B两城相距300千米;
②甲车比乙车早出发1小时,却晚到1小时;
③相遇时乙车行驶了2.5小时;
④当甲乙两车相距50千米时,t的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac85c5876c03f5a87f9615d02acefd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad9de54606c4a72d0f8decb6b0e63b2.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2024-03-27 18:27:26
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【推荐1】小聪和小明分别从相距
30公里的甲、乙两地同时出发相向而行,小聪骑摩托车到达乙地后立即返回甲地,小明骑自行车从乙地直接到达甲地,函数图象y1(km)和y2(km)分别表示小聪离甲地的距离和小明离乙地的距离与已用时间t(h)之间的关系,如图所示.下列说法:①折线段OAB是表示小聪的函数图象y1,线段OC是表示
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【推荐2】如图是甲、乙两个动点在某时段速度随时间变化的图象,下列结论错误的是( )
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D.甲、乙两点到第3秒时运动的路程相等 |
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【推荐1】直线
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【推荐2】如图,点A(5a﹣1,2)、B(8,a)都在反比例函数y=
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【推荐1】甲乙两人赛跑,两人所跑的路程
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【推荐2】
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都是骑车时间
的一次函数,其图像如图所示.已知1 h后乙距离
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地30 km,则经过多长时间两人将相遇?( )
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