K Let P t be the population in millions of a certain city t years...
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Calculus
K Let P t be the population in millions of a certain city t years after 2015 and suppose that P t satisfies the differential equation P t 0 04P t P 0 7 a Use the differential equation to determine how fast the population is growing when it reaches 9 million people b Use the differential equation to determine the population size when it is growing at a rate of 800 000 people per year c Find a formula for P t a Choose the correct process to find how fast the population is growing when it reaches 9 million people OA Evaluate P t 0 04 9 OB Solve 9 0 04P t for P t OC Solve P 9 0 04P t for P t OD Evaluate P t 0 04P 9 C The population is growing at about million Type an integer or decimal rounded to two decimal places as needed b Choose the correct process to find the population size when it is growing at a rate of 800 000 people per year OA Evaluate P t 0 04P 0 8 OB Solve P 0 8 0 04P t for P t OC Solve 0 8 0 04P t for P t O D Evaluate P t 0 04 0 8 when it reaches 9 million people The population size is about million Type an integer or decimal rounded to two decimal places as needed when it is growing at a rate of 800 000 people per year
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