2. The population of Mathville is modeled by the function P(t) = −2t³ + 54t² − 40t+ 21000 where t represents the number of years since 2017. a. What will the population be in 2026? b. Determine the average rate of change of the population from 2019 to 2030. C. Determine the instantaneous rate of change of the population in 2039.

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