Question

Let A = {2, 3, 4} and B = {6, 8, 10} and define a relation R from A to B as follows: For all (x, y)∈ A ×B,
(x, y)∈ R means that is an integer.
a. Is 4 R 6? Is 4 R 8? Is (3, 8) ∈R? Is (2, 10) ∈R?

Answer 1

(a). $Yes,$ $4\ R\ 6\\$

$(b). Yes,\ \ 4\ R\ 8$

$Yes,\ (3,8)\ \in\ R$

$Yes,\ (2,10)\in\ R$