1 . 已知
的导函数是
,记![](https://img.xkw.com/dksih/QBM/2011/9/1/1570299330371584/1570299335344128/STEM/2bd00ae35ddd47958a3c44e206ed7eb4.png)
则
![](https://img.xkw.com/dksih/QBM/2011/9/1/1570299330371584/1570299335344128/STEM/ee68ee1bac10444294aba5e21f7134cd.png)
![](https://img.xkw.com/dksih/QBM/2011/9/1/1570299330371584/1570299335344128/STEM/68cc01a5a47645eea8315b11e51fd652.png)
![](https://img.xkw.com/dksih/QBM/2011/9/1/1570299330371584/1570299335344128/STEM/2bd00ae35ddd47958a3c44e206ed7eb4.png)
![](https://img.xkw.com/dksih/QBM/2011/9/1/1570299330371584/1570299335344128/STEM/34aa1ebbffb74c2b8cab1e0404ae00c9.png)
A.A>B>C | B.A>C>B | C.B>A>C | D.C>B>A |
您最近一年使用:0次
名校
2 . 已知
,则函数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c4e8f9191c8d2a7d9642dee4005361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a97fc0a20640c93960cda1db085c49.png)
A.3 | B.6 | C.13 | D.22 |
您最近一年使用:0次
2016-11-30更新
|
844次组卷
|
6卷引用:2011年辽宁省瓦房店市五校高二上学期竞赛数学理卷