16 The population of a small town over four years is recorded in the chart below, where 2013 is represented by x = 0. [Population is rounded to the nearest person] Year 2013 2014 2015 2016 Population 3810394340814224 The population, P(x), for these years can be modeled by the function P(.r) = abt, where b is rounded to the nearest thousandth. Which statements about this function are true? I. a = 3810 II. a = 4224 III. b = 0.035 IV. b = 1.035 (1) I and III (3) II and III (2) I and IV (4) II and IV​