Question 5, Bus Econ 4.2.9 HW Score: 0%, 0 of 11 points Part 1 of 4 Points: 0 of 1 Save The table shows the purchasing power of a dollar in recent years, with the year 2000 being the base year. For example, the entry 0.82 for 2004 means that a dollar in 2004 bought what $0.82 did in the year 2000. Complete parts (a) through (c) below. Year |2000 2002 2004 2006 2008 2010 2012 Purchasing Power 1.00 0.91 0.82 0.75 0.68 0.62 0.56 (a) Find an exponential model of the form f(t) = yob' for these data, where t= 0 corresponds to the year 2000. If you do not have suitable technology, use the first and last data points to find a function. If you have a graphing calculator or other suitable technology, use exponential regression to find a function. The exponential model for the data is f(t) = (Round to three decimal places as needed.)