Question

giving medals

Consider the two groups listed below. Which statement describes the sets?

house
complete mailing address

The relation (house, complete mailing address) is a function, but the relation (complete mailing address, house) is not.

The relation (complete mailing address, house) is a function, but the relation (house, complete mailing address) is not.

Both (house, complete mailing address) and (complete mailing address, house) are functions.

Neither the relation (house, complete mailing address) nor the relation (complete mailing address, house) is a function.