Respuesta :

Answer:

See below.

Step-by-step explanation:

The initial population is when t = 0, so substituting t = 0 into the given formula:

Initial Population = 280 / (1 + 4*e^(-0.45*0))

= 280 / (1 +4)

= 56  animals Answer.

Population after 9 years = 280 / (1 + 4*e^(-0.45*9))

=  262 animals Answer.