下列表示y是x的函数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-03 00:55:02
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【推荐1】小明同学准备从家打车去南坪,出门后发现到了拥堵使得车辆停滞不前,等了几分钟后他决定步行前往地铁站乘地铁直达南坪站(忽略中途等站和停靠站的时间),在此过程中,他离南坪站的距离y(km)与时间x(h)的函数关系的大致图象是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】如图,点
的坐标为
,点
是
轴正半轴上的一动点,以
为边作等腰
,使
,设点
的横坐标为
,设点
的纵坐标为
,能表示
与
的函数关系的图象大致是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/d291f0e4-a8f2-4388-89c2-3ff6dc428afd.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4fd84394e897ebf6c4814b841d427b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/d291f0e4-a8f2-4388-89c2-3ff6dc428afd.png?resizew=152)
A.![]() | B.![]() |
C.![]() | D.![]() |
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