Question

List the domain and range of the relation {(1, -9), (8,8), (0, -9), (8, 1), (1,9)}

Answer 1

D={1, 8,0}

R={-9, 8,1,9}

Explanation:

Here,

we, know, domain(D) =set of all first elements

thus, D={1,8,0}

again, range(R) =set of all second elements

thus R={-9,8,1,9}