(first-elements-of 3 '(1 2 3 4 5 6 7 8)) ⇒ (1 2 3)Q: The first zero elements of a list comprise what list?
A: The empty list.
Q: The first n elements of a list is what list? (Hint: Answer in terms of the head and the tail.)
A: The list created by consing the head onto the first n-1 elements of the tail.