Question

If C = {a, b, c, d, e, f, g, h, i} and D = {vowels}, what is C ∩ D?

1. {a, e, i}

2. {a, e, i, o, u}

3. {a, b, c, d, e, f, g, h, i, o, u}

4. { }

Answer 1

C intersection D = Common elements among both.

Answer 2

C ∩ D = {a,e,i}