The population of a small city was about 10000 people in 1980. The population was growing approximately exponentially with a continuous growth rate of 1.5 since 1980. In the long run the population was approximately 70000 people. Which of the following best describes the population growth? 70000 1+6e¬1.5t 70000 1+7e-1.5t O 10000e1.5t 70000 1+6e1.5£ 70000 1-6е -1.5€ None of the others.

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