The number of acres of old growth forest in a park, N, initially 500 acres, is decreasing at a continuous rate of 15% per year. A possible formula for N as a function of t, measured in years, is: O (a) N-500 (1.15) O (b) N= 500 (0.85) O (c) N =500 (0.15) O (d) N-500 (-0.15) O (e) N= 500e1.15t O (f) N-500e0.85t O(g) N-500e0.15t O (h) N-500e-0.15t O (i) N-500-15t O) N-500-0.15t

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