Question: 26
(Choose 1 answer)
(See picture)
A. (i)
Let S be the set defined recursively as follows:
Basis step: 2 S
Recursive step: Ifx eS then 2x e S
What is S?
B. (ii)
C. (iii)
D. None of the other choices is correct
(i) S (2n = 1, 2, ...}
(ii) S = {22 n = 1, 2, ...}
(iii) S={2n|n=1, 2, ...}