Homework. LIVING -0.0279 In this formula, t is time in years and yo is the initial population at time 0. If the size of the population in 2002 was 11,715, use the formula to The population of the region is decreasing according to the formula y = yo e predict the population of the region in the year 2019. In year 2019 the population of the region will be approximately (Round to the nearest whole number as needed.).