Find the exponential function that satisfies the given conditions:

Initial value = 66, decreasing at a rate of 0.5% per week (5 points)


f(t) = 0.5 ⋅ 0.34t

f(t) = 66 ⋅ 1.5t

f(t) = 66 ⋅ 0.995t

f(t) = 66 ⋅ 1.005t