The projected population P of Dammam city is estimated by the following exponential function
P = 1000 000 e0.05t
where t is the number of years after 2020.

a) Predict the next 20 years population of Dammam (from the year 2020 to year 2040). Use excel to make a table year by year and produce a graph of the population for 20 years.

b) When will the population of Dammam be 1.5 million. Do this part by solving the equation. Compare your answer with excel.



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