Year - gas price 2005 - $2.32 2006 - $2.63 2007 - $2.85 2008 - $3.32 2009 - $2.40 2010 - $2.84 2011 - $3.58 2012 - $3.70 2013 - $3.58 2014 - $3.43 2015 - $2.51 c. what equation models the data? what are the domain and range of the equation? explain how you determined your answers. d. is there a trend in the data? does there seem to be a positive correlation, a negative correlation, or neither? how much do you expect gas to cost in 2020? explain.