如图菱形
的边长为
,
.动点P、Q同时从A点出发,均以
的速度分别沿
和
的路径向点C运动,设运动时间为t(单位:s),
的面积为S(单位:cm2),则S和
之间的函数关系可用图象表示为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/f9da5736-f129-4aaf-bbb4-7ad4c78a6244.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631e6ec24d3d67bf4592313b6b3f4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd66776565f049eb453c14fcaf79234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3087da5c11909dab613378fee8d471fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c690413f075cfcf5a6edd165fdf50646.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/f9da5736-f129-4aaf-bbb4-7ad4c78a6244.png?resizew=118)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2024-03-22 15:32:13
|
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真题
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