1. In 2004, the restaurant industry in the United States employed about 11.9 million people. In 2014, this number increased to 13.5 million employees. a) Find a linear function E that models these data, where x is the year. I b) Interpret the slope of the function E(x). Attach the units. c) If this trend continues, use your equation to predict the year that the number of restaurant industry employees might reach 14.5 million.