Writing in 1829, Former President James Madison Made Some Predictions

Short Answer

Writing in 1829, former President James Madison made some predictions about the growth of the population of the United States. The populations he predicted fit the equation where y is the population in millions of people x years from 1829. Use the equation to determine the approximate year President Madison would have predicted that the U.S. population would reach 140,000,000. Round the answer to the nearest year.