Given:

F = {(1,2), (7,8)}

G = {(1,5), (7,0)}

When to Find F / G:

F/G = {(1, 2/5) (7, 8/0)} = {(1, 2/5) (7, undefined)}

For this case, is the correct answer be " F/G = {(1, 2/5) (7, undefined)} " ?

or should I answer " F/G = {(1, 2/5)} " as y value is undefined when we have 7 for x ?