The sequence below shows the number of bacteria Arjun observed each hour for a science experiment: 5, 20, 80, 320,1,280 Which recursive function describes the number of bacteria observed at the nth hour? f(1) = 5 In - 1) = 48 (0) f(1) = 1 f(n + 1) = 46(n) In+ 1 = 2 f(n) - 10