8. 0.6/1 points | Previous Answers SSTCalc6 4.7.050. My Notes Ask Your Teach According to a certain logistic model, the world's population (in billions) years after 2000 is modeled by the function 75 P(t) = L 12e0.02t (a) If this model is correct, at what rate will the world's population be increasing with respect to time in the year 2023? (Round your answer to three decimal places.) billion people/yr At what percentage rate will it be increasing at this time? (Round your answer to two decimal places) (b) Sketch the graph of P. P (t) 0.5 P (t) 100 0.4