题目

I (hope)to send him a telegram to congratulate him on his marriage, but I didn't manageit. 答案：【1】had hoped设f（x）是定义在R上的奇函数，且对任意a，b，当a+b≠0，都有＞0（1）．若a＞b，试比较f（a）与f（b）的大小；（2）．若f+f（3x-9x-2）＜0对x∈[-1，1]恒成立，求实数k的取值范围．