1 . 一物体从原点出发沿着x轴运动,速度为
,该物体自出发开始,前
移动的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70536da6bfee702e06c4cd5ba040fab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c1f9c14db1a10006f079739ffa690d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 把抛物线
平移得到抛物线m,抛物线m经过点
和原点
,它的顶点为P,它的对称轴与抛物线
交于点Q,则图中阴影部分的面积为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafae84e7fe39dc5b694c39405201d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0d82cb174d173b7e36937c3f99f591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafae84e7fe39dc5b694c39405201d32.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/4/8d869b80-b399-4e6f-aadf-e12d583d231b.png?resizew=147)
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