The exponential models describe the population of the indicated country, A, in millions, t years after
2006.
Which country has the greatest growth rate? By what percentage is the population of that country increasing each year?
Country 1:
Upper A = 25.8 e Superscript 0.026 t25.8e0.026t
Country 2:
Upper A = 1084.3 e Superscript 0.017 t1084.3e0.017t
Country 3:
Upper A = 127.5 e Superscript 0.004 t127.5e0.004t
Country 4:
Upper A = 142.6 e Superscript negative 0.008 t142.6e−0.008t