Population The population in a certain city was800,000 in 2003, and its future size is predicted to beP = 800,000e-0.020tpeople, where t is the number ofyears after 2003.a. Does this model indicate that the population isincreasing or decreasing?b. Use this model to estimate the population of thecity in 2010.c. Use this model to predict the population of thecity in 2020.d. What is the average rate of change in populationbetween 2010 and 2020?

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Exponential Growth Model

The relation that represents an exponential function is: