Part 1 of 2 Use the data shown in the graph to write a quadratic regression equation. Then predict the box office revenue in Box office revenue 2011 Let x represent the number of years since 2000. 22- 21 20.8 20.2 20 5 Millions of dollars 20- 19- 19.5 18 2001 2002 2003 2004 2005 2006 Year a. The quadratic regression equation is y = (Type an expression using x as the variable. Use integers or decimals for any numbers in the expression. Round to the nearest thousandth as needed.)