Question

The domain of the following relation is R:(-4,3),(3,6),(-2,1),(3,6) is

Answer 1

the domain of a relation is always the set of the first coordinate of each pair,


`\bf R:(\stackrel{\downarrow }{-4},3),(\stackrel{\downarrow }{3},6),(\stackrel{\downarrow }{-2},1),(\stackrel{\downarrow }{3},6)`