Question

Can anyone please explain how to find the range of the below?

Not just the answer as that is already posted online but I do not understand how to even get started????

(h)

Let A = {1, 2, 3}. f: A × A → Z×Z, where f(x,y) = (y, x).

Answer 1

Grvem A 2.33 de fned b to elements e 4maps AAA elerments t . 5uh that Novo ( (12)(113), (2,1), (2,2) (213) (3) 3,2)(3,3) 4 AXA = then Ronge f f, )r al\ olemeorts în Zxz, wwhich are under funetum elements in AXA -e t12), 4(13) 4(2,1), 4e12) t2,31, 311422),43. Range f Novo byolefn ie f1) 4(12) 13) have ) (11) (2,1) calulating like this (341) SO On . ve Range f 2, (2,1),(9,1), (,2), (2,2), (3,2) (31 (3,2), (2.3)