contestada

The table below gives the population in a small coastal community for the period
1990-1999. Figures shown are for January 1 in each year.
Year
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Population 640 838 1344 1564 1600 1454 976 848 763 742
(a). What was the rate of change of population between 1991 and 1994? Round
your answer to the nearest hundredth.
(b). What was the rate of change of population between 1995 and 1997? Round
your answer to the nearest hundredth.