Bill payment using smart phones is projected to increase rapidly. Projections of mobile payment transaction values (in billions of dollars) in a certain region for the years 2009 through 2016 are shown in the table. Complete parts (a) through (c). Transaction Transaction Values Values Year ($ billions) Year ($ billions) 2009 29 2013 260 2010 56 2014 353 2011 97 2015 479 2012 164 2016 620 a. Find a quadratic function that models y, the payment transaction values, as a function of x, the number of years after 2000. y= wears or decimals rounded to three decimal places for any numbers in the equation.)