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?