1 . 赵佶所作《瑞鹤图》中房殿顶的设计体现了古人的智慧,如下图,分别以
,
为
轴、
轴正方向建立平面直角坐标系,屋顶剖面的曲线与
轴、
轴均相切,
,
两点间的曲线可近似看成函数
的图象,
有导函数
,为了让雨水最快排出,
需要满足螺旋线方程
,其中
,
为常数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26260aa70712c72cabcf8b44ff064c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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2 . 如图所示为函数
的导函数图象,则下列关于函数
的说法正确的有( )
; ②
和4都是极小值点;
③没有最大值; ④最多能有四个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
③没有最大值; ④最多能有四个零点.
A.①② | B.②③ | C.②④ | D.②③④ |
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3 . 观察图象,下列结论错误的有( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/d0b0cb1b-b6ea-41c2-8500-be95d0df9133.png?resizew=211)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/d0b0cb1b-b6ea-41c2-8500-be95d0df9133.png?resizew=211)
A.若图中为![]() ![]() ![]() |
B.若图中为![]() ![]() |
C.若图中为![]() ![]() ![]() |
D.若图中为![]() ![]() ![]() |
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4卷引用:安徽师范大学附属中学2022-2023学年高二下学期第一次测评考试数学试题
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4 . 已知定义在
上的函数
的导函数
的图象如图所示,给出下列命题:
①函数
在区间
上单调递减;
②若
,则
;
③函数
在
上有3个极值点;
④若
,则
.
其中正确命题的序号是( )
![](https://img.xkw.com/dksih/QBM/2021/5/10/2718242717122560/2719723043389440/STEM/b50a3a70-9117-4c3f-8df6-16bcee9d8fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ee5d5d75795c13293ba61390f862ce.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840c11de5bb0ccf243d722c9125e7553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045d7e8aa575431c0e87699f9df09ff0.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ecbe601fd0ab2ab5233b8068117c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74378203469d7441cdacca728a08f101.png)
其中正确命题的序号是( )
![](https://img.xkw.com/dksih/QBM/2021/5/10/2718242717122560/2719723043389440/STEM/b50a3a70-9117-4c3f-8df6-16bcee9d8fa4.png)
A.①③ | B.②④ | C.②③ | D.①④ |
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5卷引用:重庆实验外国语学校2020-2021学年高二下学期6月月考数学试题
重庆实验外国语学校2020-2021学年高二下学期6月月考数学试题贵州省毕节市2021届高三三模数学(文)试题贵州省毕节市2021届高三三模数学(理)试题(已下线)专题27:函数的极值与其导数的关系-2023届高考数学一轮复习精讲精练(新高考专用)(已下线)5.3.2函数的极值与最大(小)值(1)