1 . 已知
,且
与
垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/2016/9/9/1573010931654656/1573010937118720/STEM/7722edf8037941f08104e5e54a95acc1.png)
![](https://img.xkw.com/dksih/QBM/2016/9/9/1573010931654656/1573010937118720/STEM/da6644cc49214790804b183e5ca41c6a.png)
![](https://img.xkw.com/dksih/QBM/2016/9/9/1573010931654656/1573010937118720/STEM/af573b7385064b49bebd6f95ef6f5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 函数
满足
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d341e8a9ff8df399ecbafd1939bfc6.png)
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573040779763712/1573040784982016/STEM/d5f22f0cfe6344d996475dc492e04096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e44693550179ddaca2a57c7a1c2694.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
,若
和
是函数
的两个相邻的极值点,将
的图象向左平移
个单位得到函数
的图象,则下列说法正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea785f47562a2ab897ed9951f29dd56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26718af84fe8d35608797711e21b2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b767f7a7df5904f9211617f540b841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b690af1e60261a459aac21445f84574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ecc1c16f2874ef4b7e0d6aed9db0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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4 . 若函数
的导函数为
,且
,则下列说法正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cbd776dc90720c2e51058e6b5ee934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346b928c044d2daa583cd980a2a5cece.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次