Question #5

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.)