Question

Determine the domain and the range of the following relations :
(i) {(x, y): Xe N, y e N and x + y = 10}
(ii) {(x, y): x + N, x < 5, y = 3) ​

Answer 1

Answer:

R={(x,x+5):x∈{0,1,2,3,4,5}}

⇒R={(0,5),(1,6),(2,7),(3,8),(4,9),(5,10)}

∴ Domain of R={0,1,2,3,4,5}

Range of R={5,6,7,8,9,10}