已知函数
的导函数
的图象如图所示,那么对于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
A.在![]() | B.在![]() |
C.在![]() | D.在![]() |
更新时间:2024-05-07 00:04:12
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【推荐1】已知函数
的导函数
的图象如图所示,则该函数
的图象可能是( )
![](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://img.xkw.com/dksih/QBM/editorImg/2023/7/5/63770b67-2856-4876-8e2c-d60ce07b5389.png?resizew=148)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】函数
在定义域
内可导,其函数图像如图所示,记
的导函数为
,则不等式
的解集为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/5507503b-9c89-4756-a9d9-4de6d08ae4da.png?resizew=203)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa557432920b6125d56582a0d2884fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17562636810999b1c98c5e99b5c3e0dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/5507503b-9c89-4756-a9d9-4de6d08ae4da.png?resizew=203)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐1】如图是函数
的导函数
的图象,给出下列命题:
①
是函数
的极值点;
②
不是函数
的极值点;
③
在
处切线的斜率小于零;
④
在区间
上单调递增.
其中正确命题的序号是( )
![](https://img.xkw.com/dksih/QBM/2020/9/4/2542598865797120/2544205627727872/STEM/dfd27af8079748068b80125f68cf1220.png?resizew=239)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
其中正确命题的序号是( )
![](https://img.xkw.com/dksih/QBM/2020/9/4/2542598865797120/2544205627727872/STEM/dfd27af8079748068b80125f68cf1220.png?resizew=239)
A.①②④ | B.①②③ | C.②③④ | D.①② |
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解题方法
【推荐2】已知函数
的导函数
的图象如图所示,则下列选项中错误 的是( )
![](https://img.xkw.com/dksih/QBM/2021/5/18/2723901162274816/2723936515391488/STEM/96d21d8c878c41c6950f1a75545365d2.png?resizew=235)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://img.xkw.com/dksih/QBM/2021/5/18/2723901162274816/2723936515391488/STEM/96d21d8c878c41c6950f1a75545365d2.png?resizew=235)
A.![]() ![]() | B.导函数![]() ![]() |
C.函数![]() ![]() | D.导函数![]() ![]() |
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【推荐1】已知
为函数
的极小值点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f479f75b74ca00559f1a00c3a2b033d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.2 | C.3 | D.![]() |
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解题方法
【推荐2】如图是一个质地均匀的转盘,一向上的指针固定在圆盘中心,盘面分为A,B,C三个区域,每次转动转盘时,指针最终都会随机停留在A,B,C中的某一个区域,且指针停留在区域A,B的概率分别是p和
.每次转动转盘时,指针停留在区域A,B,C分别获得积分10,5,0.设某人转动转盘3次获得总积分为5的概率为
,则
的最大值点
的值为( )
![](https://img.xkw.com/dksih/QBM/2021/7/14/2764057163694080/2766851849216000/STEM/3f4f58caa18740d69cf97b9c5a96b062.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a071566110ae6ea83d9d787d2f92082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1f109f79547d6ae0d94339e689e8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1f109f79547d6ae0d94339e689e8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606c4a853a6a34cb7f33bea81b15a1f.png)
![](https://img.xkw.com/dksih/QBM/2021/7/14/2764057163694080/2766851849216000/STEM/3f4f58caa18740d69cf97b9c5a96b062.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
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