Respuesta :

MathPhys

Answer:

a = 190

k = 0.285

Step-by-step explanation:

f(t) = 190 (1.33)^t

At t = 0, f(t) = 190.  So a = 190.

f(t) = 190 e^(kt)

Set equal and solve for k:

190 (1.33)^t = 190 e^(kt)

1.33^t = e^(kt)

ln(1.33^t) = kt

t ln(1.33) = kt

k = ln(1.33)

k = 0.285