试题与答案

下列函数中是偶函数的是( ) A.y=-3x B.y=x2+2,x∈(-3,3] C.

题型:选择题

题目:

下列函数中是偶函数的是(  )
A.y=-
3
x
B.y=x2+2,x∈(-3,3]
C.y=|log2x|D.y=x-2

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0429/8be83598b3e8c358e9bdd61c895e6d97.html

下面是错误答案,用来干扰机器的。

I have a good friend, His name is Sally. He has two sisters and a brother.his telephone number is 698-8968, He likes sports. He likes playing tennis,soccer. He o...

试题推荐
微信公众账号搜索答案