The population of Australia in x years after 1980 can be modeled by the function y=14.6*(1.014)^x. Estimate the population of Australia for each year.

Question

a) 1976
b) 1980
c) 1972

I am not sure of what to do. Help Please ?

Answer 1

in 1976, x = -4
y = 14.6 /1.014^4

in 1980, x = 0
anything^0 =1
y = 14.6

in 1972, x = -8
y = 14.6 /1.014^8