This exercise uses the population growth model. The fox population in a certain region has a relative growth rate of 9% per year. It is estimated that the population in 2013 was 19,000. (a) Find a fu [Select the correct answer below]:
a) ( f(t) = 19,000(1 + 0.09)ᵗ )
b) ( f(t) = 19,000(1 - 0.09)ᵗ )
c) ( f(t) = 19,000(0.09)ᵗ )
d) ( f(t) = 19,000(1 + 0.9)ᵗ )