Question

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

{-1, 1, 3}

{-1, -1, 1, 3}

{-4, -2, 2, 2}

{-4, -2, 2}

Answer 1

@AravindG ?

Answer 2

Domain is set of all first elements.

Answer 3

what does that mean D: @AravindG

Answer 4

(a,b),(c,d),(e,f)

Then domain is {a,c,e} range is {b,d,f}