question archive 1) Let A = {1,2,3,4,5,6}

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?

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