Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Eight students form a math homework group. The students in the group are Joe, Earl, Zippy, Annette, Stinky, Muriel, Chet, and Oswaldo. Prior to forming the group, Stinky was friends with everyone but Muriel. Muriel was friends with Zippy, Annette, Chet, and Earl. Joe was friends with Stinky, Earl, Oswaldo, and Zippy. Letting an edge between two students represent friendship, which of the following graphs models the friendships among these students?
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