.1. Suppose that the Perpetual Help College of Rizal had the following record of its growth of enrollment from 2011−2020.
Year Enrolment Year Enrolment 2011 5,200 2016 7,000
2012 5,500 2017 8,800
2013 6,000 2018 9,400
2014 6,500 2019 9,600
2015 6,800 2020 10,500