Pleasantburg has a population growth model of P(t) =at squared+bt+P0 where P0 is the initial population suppose that the future population of Pleasantburg t years after January 1, 2012 is described by the quadratic model P(t)=0.8t squared +6t +12000 in what month and year will the population reach 19,800

Pleasantburg has a population growth model of Pt at squaredbtP0 where P0 is the initial population suppose that the future population of Pleasantburg t years af class=