题目

A “workaholic” works too much and usually forgets to have meals and go to bed. _____, he doesn’t have good health. A.As a matter of fact   B.After all       C.As a result   D.At first   答案：C反比例函数y=（k≠0）的图象经过P，如图所示，根据图象可知，反比例函数的解析式为    ．