The population of a certain region grew from 19.7 million in 2005 to 22.7 million in 2012. a . find a function of the form p ( t ) = p 0 e k t that models the population growth of the region. here, t is the number of years since 2005 , and p ( t ) is in millions. round your k value to 3 decimal places. p ( t ) = b . use your model to predict the population of this region in 2017 . round your answer to the nearest tenth of a million. million people get help: video ebook