Respuesta :

cp113501

Answer: f(x)=567(1/3)^x

Step-by-step explanation:  

At x = 0   y = 567

at x = 1   y = 567 - 567(1/3)

at x = 2   y = 567 - 567(1/3)(1/3)

at x = 3   y = 567 - 567(1/3)(1/3)(1/3