Q27.webp

Question: 27
(Choose 1 answer)
Given the set S defined recursively as follows:
(1, 1), (1, 2), (2, 1) is in S
If (a, b) is in S then (a+2, b) and (a, b+2) are also in S.
Which of the following pairs is in S?
A. (5, 4)
B. (4, 4)
C. (2,6)
D. (4, 6)