题目

连一连。Let's paint. A. Good afternoon.Nice to meet you. B.OK!Good afternoon. C. Fine, thank you.How are you? D.Nice to meet you, too. 答案：西安市阳光酸奶厂，每天生产A，B两种酸奶共800箱.A、B两种酸奶的成本和利润如下表.设每天生产A种酸奶x箱，两种酸奶共获利y元.（1）请写出y关于x的函数关系式（2）如果该酸奶厂每天至少投入成本48000元，那么每天最多获利多少元？