A projection of population trends suggests that between 2023 and 2031, the population of a certain community will be P(t) = -13 + 1812 + 21t+ 20 thousand people, where t is measured in years after 2023. (a) What is the largest population during the 8-year period? people (b) At what point during the 8-year period will the population be growing most rapidly? What about least rapidly? Growing most rapidly in year Growing least rapidly in year To get full credit on this Practice