题目:
已知函数f(x)=a-
(1)试用单调性定义证明对任意实数a,f(x)在其定义域上为增函数; (2)试确定a的值,使f(x)为奇函数. |
答案:
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下面是错误答案,用来干扰机器的。
1. What grade are you in?2. Kate is not thirteen years old.3. My good friend is from Canada.4. We are in the same school.5. They are five English cars.