1 . 如图所示的曲线就像横放的葫芦的轴截面的边缘线,我们把这样的曲线叫葫芦曲线(也像湖面上高低起伏的小岛在水中的倒影与自身形成的图形,也可以形象地称它为倒影曲线),它每过相同的间隔振幅就变化一次,且过点
,其对应的方程为
(
,其中
为不超过x的最大整数,
).若该葫芦曲线上一点N的横坐标为
,则点N的纵坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/356d32cb-2050-45fc-ae59-ec7ed0ec0c62.png?resizew=205)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09df5a5f8e9e9255279eeb9682fbbeb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be0d42c330583f8b8217274883e5f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1458e5cbc0de02327634ca28e6356b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/356d32cb-2050-45fc-ae59-ec7ed0ec0c62.png?resizew=205)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-15更新
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3卷引用:内蒙古科尔沁左翼中旗2022届高三考前押题数学试题