Question

HELP PLS ! :) The population of a certain animal species you are studying decreases at a rate of 3.5% per year. Only 80 of the animals in the habitat remain after 3 years of conducting your research. What was the initial amount of animals? PLS USE THE FORMLA pe^-rt

Answer 1

The function:f ( x ) = x * 0.965^twhere x is the initial amount and t is the number of the years80 = x * 0.965^380 = x  *  0.89632x = 80 : 0.89632 ≈ 89Answer:The initial amount of animals was 89.