An insect population after x months can be modeled by the function g(x)=15(1.2)x. Which statement is the best interpretation of one of the values in this function?
answer choices
The insect population increased at a rate of 20% each month
The insect population increased by 12 insects each month
The insect population decreased by 12 insects each month
the insect population decreased at a rate of 20% each month