Question: 60
(Choose 1 answer)
(See picture)
Α. (7, 8)Β. (6, 7)
C. (8, 9)
D. (5, 10)
Let S be the subset of the set of ordered pairs of integers defined recursively by
Basis step: (0, 0) ∈ S.
Recursive step: If (a, b) ∈ S, then (a + 2, b +3) ∈ S and (a+3, b+2) ∈ S.
Which element is in S?
