25 The developing economies share of the global gross domest
2.5
The developing economies\' share of the global gross domestic product (GDP) from 2003 and projected to 2017 is shown in the following table. Find the quadratic function that best models the developing economies\' share of the global GDP as a function of the number of years after 2000. (Round all numerical values to four decimal places.) y(x) = _______Solution
Year   Share (% of GDP)
 2003   20
 2004   22
 2005   23
 2006   27
 2007   28
 2008   31
 2009   31
 2010   33
 2011   35
 2012   38
 2013   39
 2014   40
 2015   41
 2016   42
 2017   43
Share (% of GDP) = - 194014 + 191.4 Year - 0.04719 Year^2

