已知函数
的定义域为
,导函数
在
上的图象如图所示,则
在
内的极大值点的个数为( )
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437323462590464/2438004550983680/STEM/fd003623c0064fd68a6d08eb31eb94af.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437323462590464/2438004550983680/STEM/fd003623c0064fd68a6d08eb31eb94af.png?resizew=194)
A.1 | B.2 | C.3 | D.4 |
更新时间:2020-04-17 13:13:38
|
【知识点】 函数(导函数)图像与极值点的关系
相似题推荐
单选题
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较易
(0.85)
名校
【推荐1】已知
的图象如图所示,其中
是
的导函数,则下列关于函数
说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/5af131fe-19ce-43ee-9d1f-94dea316ca02.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6eec516d39005c8f0944f20e66f332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6eec516d39005c8f0944f20e66f332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/5af131fe-19ce-43ee-9d1f-94dea316ca02.png?resizew=149)
A.仅有2个极值点,一个是极大值点,一个是极小值点 |
B.因为![]() ![]() |
C.有2个极大值点,3个极小值点 |
D.没有极值 |
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单选题
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较易
(0.85)
名校
【推荐2】已知函数
的导函数图像,如图所示,那么函数
( )
![](https://img.xkw.com/dksih/QBM/2021/7/4/2757216672104448/2780203328937984/STEM/fb2dc356-3640-436b-8567-e7ddf358642f.png?resizew=273)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/2021/7/4/2757216672104448/2780203328937984/STEM/fb2dc356-3640-436b-8567-e7ddf358642f.png?resizew=273)
A.在![]() | B.在![]() |
C.在![]() | D.在![]() |
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