A city manager must predict the population growth of the city between the years 2000 and 2050 to
make plans for new business expansions and housing developments. To determine the population
growth, the city manager will use the formula y= a(b)x. What do the variables in this formula
represent?

y represents the population of the city
x represents the year
b represents the population in the year 2000
a represents the growth rate

y represents the population of the city
x represents the time in years since the year 2000
b represents the growth rate.
a represents the population in the year 2000

yrepresents the population of the city
x represents the time in years since the year 2050
b represents the number of new businesses and houses
a represents the population in the year 2010

y represents the population of the city
x represents 50 years
b represents the population in the year 2050
a represents the growth rate