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Express the relation as ordered pairs {(Bob, Beth), (Bob, Diane), (John, Linda), (Chuck, Marcia)}.
\The domain of the relation is the set of Father.
\The domain of the relation is {Bob, John, Chuck}.
\The range of the relation is the set of Daughter.
\The range of the relation is {Beth, Diane, Linda, Marcia}.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
The element of Bob has paired with two elements, i.e, Beth and Diane.
\Therefore the relation is not a function.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The relation is not a function.