The table shows data from local cable companies, representing the number of channels offered (x) and monthly dollar cost of service (y).xyx2xy1156513,2257,4751227214,8848,7841288516,38410,8801328717,42411,4841359518,22512,825∑x=632​∑y=404∑x2=80,142∑xy=51,448Which regression equation correctly models the data?