191问答库 > 求大神帮忙解题， 急急急！！！

求大神帮忙解题， 急急急！！！

2025-03-16 00:29:27
推荐回答（1个）
回答1：

5
（1）
f(-x)=-x³+33
所以f（x）即非奇函数也非偶函数
（2）
f(-x)=2/((-x)²-1)
=2/(x²-1)
=f(x)
所以f（x）为偶函数
2
（1）定义域为（-∞，+∞）
（2）
f(2)=2x2+1=5
f(0)=2x0+1=1
f(-2)=(-2)²-2=2

望采纳，谢谢！

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