Question

4. Let A = {xc : x is a multiple of 2 , x < 15),
B = {x : x is a multiple of 3, x < 20),
C = {x : x is a prime, x < 20}.
Write each one of the sets A, B, C in Roster form.
(i)
(ii) Find :
(a) A U B
(b) A U C
(c) B u c
(d) A ∩ b
(e) A ∩ b
(f) В ∩ c
please answer this correctly please

​

Answer 1

Step-by-step explanation:

here a union b means all the elements of a and b are included .

a intersection b means only common elements are included.

hope this answer is helpful.