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Answer to Question 30A-1e

True. For example,
(2 : [4, 6]) ++ [8, 9, 10]
  = [2, 4, 6] ++ [8, 9, 10]
  = [2, 4, 6, 8, 9, 10]
  = 2 : [4, 6, 8, 9, 10]
  = 2 : ([4, 6] ++ [8, 9, 10])