Use these rental pricing data to answer the questions below: City 2009 Rent 2015 Rent Boise $583 $745 Boston $1,577 $2,150 Seattle $958 $1,600 What is the rate of change of rent with respect to time for Seattle? Round to the nearest penny and specify units in the question below. Answer = What are the proper units for this rate of change? years years per dollar dollars per year dollars