Let °U = R and let I = Z+. For each n Z+ let An = [-2n, 3n]. Determine each of the following: (a) A3

Let °U = R and let I = Z+. For each n ˆˆ Z+ let An = [-2n, 3n]. Determine each of the following:
(a) A3
(b) A4
(c) A3 - A4
(d) A3 ˆ† A4
(e)

(f)

(g)

(h)

y A 1-1 U A