题目

Even facts forgotten by people during a busy day may be retrieved if this is followed by a good night's sleep. Researchers from the University of Chicago asked volunteers to remember simple words. Many found their memories letting them down towards the end of the day, but the following morning, those who had slept well could recall much more. Researchers, writing in the journal Nature, said the brain could rescue lost memories during the night. When the brain is first asked to remember something, that memory is laid down in an unstable state, meaning that it is possible that it could be 如图所示，等边三角形ABC放置在平面直角坐标系中，已知A（0，0）、B（6，0），反比例函数的图象经过点C．（1）求点C的坐标及反比例函数的解析式．（2）将等边△ABC向上平移n个单位，使点B恰好落在双曲线上，求n的值．