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3. [9 pts] The population of Ukraine dropped from 51.9 million in 1995 to 45.7 million in 2009. (Source: CIA-The World Factbook.) Assume that P(t),

3. [9 pts] The population of Ukraine dropped from 51.9 million in 1995 to 45.7 million in 2009. (Source: CIA-The World Factbook.) Assume that P(t), the population, in millions, t years after 1995, is decreasing according to the exponential decay model. a. Find the value of k and write the equation for P(t). b. After how many years will the population of Ukraine be 10 million, according to this model? c. Find the rate of change of the population at this time and interpret its meaning

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