已知定义在R上的偶函数
(函数f(x)的导函数为
)满足
,e3f(2018)=1,若
,则关于x的不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a6ed197f4872abf3780cfcf48dda3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd563940660ae510fec0166af2534ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5196205df64ecd798d98c192f0307025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dfb1ba39bdb04e33b743b212ee6431.png)
A.![]() | B.![]() |
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更新时间:2018-04-28 22:22:51
|
【知识点】 用导数判断或证明已知函数的单调性
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