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Unformatted text preview: § Solution Yes , R is a function, because a living person has only one age in years. § Example 5 (Colors on Paintings) For a relation S , • The set of inputs is the set of all existing paintings . • The outputs are colors . • a , b ( ) ± S ² Painting a has color b . Is this relation a function? § Solution No , S is not a function, because there are paintings with more than one color. §...
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This document was uploaded on 12/29/2011.
- Spring '09