points) Identify the recursive formula for the sequence 900, 850, 800, 750, ... f(n) = {f(1) = 900 f(n) = f(n 1) 50 if n > 1 - f(n) = J f(1) = 900 f(n) = f(n-1) + 50 if n > 1 f(n) = S f(n) = == f(1) = 900 f(n) = f(n+1) - 50 if n > 1 f f(1) = 850 S \ f(n) = f(n 1) 50 if n > 1 -