Population Growth In 1960 in an article in Science maga- zine, H. Van Forester, P. M. Mora, and W. Amiot predicted that world population would be infinite in the year 2026. Their projection was based on the rational function defined by 1.79 x 10" p(t) (2026.87 – 1)a.9 where p(t) gives population in year 1. This function has pro- vided a relatively good fit to the population until very recently. Source: Science. (a) Estimate world population in 2014 using this function, and compare it with estimate of 7.244 billion. Source: United Nations. (b) What does the function predict for world population in 2025? 2030? (c) Discuss why this function is not realistic, despite its good fit to past data.

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