Question

Let A={2,4,5,7} and
b={1,2,3,4,5,6,7,8}
Let R = {(x,y) X belongs to A y belongs to B and
x divides y
1. write R in Roster form.
2. Find dom (R) and Range​

Answer 1

1. R = {(2,2),(2,4),(2,6),(2,8),(4,4),(4,8),(5,5),(7,7)}

2. Domain = {2,4,5,7}

Range = {2,4,5,6,7,8}

Hope it helps!!

Thank you