The quadratic function of f(x) = -13.8x^2+ 152.9x + 726.5 can be used to model the number of Nike retail stores worldwide each year from 2013 to 2020, where x is the number of years after 2013 and f(x) is the total number of Nike retail stores.A) In what year is the number of Nike retail stores the greatest. How many stores were there? B) what is the lowest number of Nike stores in this time period? C) identify the domain and range.
