If a population is recorded at 1,200 in the year 2000 and the rate of increase is a steady 50 each year, what will be the population in 2018? What year will the population be 7,500?

Answer 1

1200 + 18(50) = 1200 + 900 = 2100 in 2008

or maybe you meant to say it was a continuous rate of increase

P = Ae^rt

P = 1200e^(50/1200)18

= 1200e^(.75)

= 2,117(1200) = 2540.4

a little over double the population in 18 years, or almost double the 1st calculation way