question archive 1) Let A = {1,2,3,4,5,6}
Subject:MathPrice: Bought3
1) Let A = {1,2,3,4,5,6}. Find all sets B E P(A) which have the property {2,4,6} C B.
2) Writhe out all functions f: {1,2,3} - {a, b, c} (in two-line notation).
(a) How many functions are there?
(b) How many are injective?
(c) How many are surjective?
(d) How many are bijective?