Question

If A = {vowels in the English alphabet} and B = {consonants in the English alphabet}, what is A union B?
Choose one answer.
a. {all letters in the English alphabet}
b. {a, e, i, o, u}
c. {b, c, d, f, g, h, j, k, l, m, n, p, q, r, s, t, v, w, x, y, z}
d. { }

Answer 1

the union of two sets is the elements of those two sets put together
U=union
so for example:
a={1,3,5}, and b={2,7}
then
a U b = {1,2,3,5,7}

Answer 2

so that would be a?

Answer 3

yes :)

Answer 4

what about this :
If A = {0, 1, 2, 3} and B = {...−3, −2, −1}, what is A ∩ B?
Choose one answer.
a. {...−3, −2, −1, 0, 1, 2, 3, ...}
b. {...−3, −2, −1}
c. {0, 1, 2, 3}
d. { }

Answer 5

please post each question separately, and I will help you