17. Given U = {a, d, c,r, f, v, t, w}, H= {a, d, c, v} 1 = {1} and ) = {T,f), what is H17
A
B. {a, d, v
C. {ad, v,t) D. {a, d,r, f, v,t)
18. What is (AUB) - C, A = { 1, 2, 3, 4, 5, 6 }, B = { 2, 4, 5, 6 ) and C = (1, 2, 4, 6)?
B. (2)
C {3}
D. {3,5)​