Question

Which of the following is an example of exponential growth or decay?

A.population of a city decreasing by a factor of .1 each year
B.population of a city increasing by a 100 people each year
C.population of a city decreasing by 100 people each year
D.population of a city increasing by 100 people then decreasing by 50 each year

Answer 1

D, because an increase shows an exponential growth and a decrease shows a decay