The gross domestic product (GDP) of a certain country, which measures the overall size of the economy in billions of dollars, can be approximated by the funch g(x) = 6452 +8845, where z = 10 corresponds to the year 2010 Estimate the GDP (to the nearest billion dollars) in the given years. (a) 2003 (b) 2009 (c) 2015 (a) What value of corresponds to the year 2003? Z (Type a whole number)