Answer:
Below
Explanation:
f(b) = population in 2015 = 39.1
f(a) = population in 2010 = 36.5
b-a is 2015 - 2010 = 5 yrs
plug in the values (39.1 - 36.5) / 5 = .52 million ppl / year
8.4m questions
11.0m answers