【题文】已知定义在R上的奇函数满足则的值为
【题文】已知定义在R上的奇函数满足则的值为
题型:难度:来源:
【题文】已知定义在R上的奇函数
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015853-52886.gif)
满足
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015853-70002.gif)
则
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015854-32223.gif)
的值为 ( )
A.-1 B.0 C.1
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015854-71943.gif)
D
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015854-61868.gif)
.2
答案
【答案】B
解析
【解析】
=![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015855-28874.gif)
举一反三
【题文】设函数
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015816-51559.gif)
为偶函数,则
.
【题文】设
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015750-72095.gif)
是奇函数,且在
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015750-35925.gif)
内是增函数,又
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015751-43835.gif)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015751-71961.gif)
的解集是( )
【题文】已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015728-42874.gif)
是定义在R上的奇函数,其最小正周期为3,且
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015728-27301.gif)
时,
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015728-25269.gif)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015728-51182.gif)
( )
【题文】已知
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015707-85836.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015708-97275.gif)
对任意
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015708-91676.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015708-30831.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015708-31447.gif)
都有
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015709-78210.gif)
,
且
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015709-99602.gif)
与
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015709-49604.gif)
都是奇函数,则在
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015709-94946.gif)
上
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327015709-24083.gif)
有 ( )
A.最大值8 | B.最小值-8 | C.最大值-10 | D.最小值-4 |
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