Given that the following relations;
Number of hours = {1, 2, 3, 4, 5}
Length of candle burnt off = {3, 6, 9, 12, 15}
Representing these relations in an arrow diagram, we have;
Representing the above as a set of ordered pairs;
M = {(1, 3), (2, 6), (3, 9), (4, 12), (5, 15)}