In 2007, the population of a town was approximately 35,250. In 2012, the population of the town had decreased to 28,200. Based on a linear model, what will be the approximate population of the town in 2014?

Please i need help with this i don't understand.

1 answer

time starting at 2007
t n
0 35250
5 28200
7 ?

n = m t + 35250

28200 = m (5) + 35250
5 m = - 7050
m = -1410
so
n = -1410 t + 35250
if t = 7 years
n = -1410 (7) + 3520