Answer:
a) S1 = { 2^x | x belongs to the set of Whole Numbers}
b) S2 = { 2+3(x-1) | x belongs to Natural Numbers }
c) S3 = { x^2 | x belongs to the set of Natural Numbers }
d) S4 = { x | x belongs to English Alphabet }
e) S5 = { x | x is a <em>Vowel</em> of English Alphabet}
Explanation:
Whole Numbers = {0, 1, 2, 3, ...}
Natural Numbers = {1, 2, 3, ...}
English Alphabet={a, b, c, d, e, ... , x, y, z }
Vowels of English Alphabet = {a, e, i, o, u}
