done

Question 2(a)

3
4



Question 2(b)

0
0
0



Question 3(a)

0
1
2
3
4
5
6
7
8
9
10


Question 3(b)

15
10
5

Question 3(c)

0
-3
-2





Question 4(a)

function union(A, B) {
	var union = A
	for (var e of B) {
		if (A.includes(e) === false) {
			union.push(e)
		}
	}
	return union
}



Question 4(b)


function difference(A, B) {
	var diff = []
	for (var e of A) {
		if (B.includes(e) === false) {
			diff.push(e)
		}
	}
	for (var e of B) {
		if (A.includes(e) === false) {
			diff.push(e)
		}
	}
	return diff
}