Assign a grade of A (correct), C (partially correct), or F (failure). Justifyassignments
Chapter 6, Problem 21(choose chapter or problem)
Assign a grade of A (correct), C (partially correct), or F (failure). Justifyassignments of grades other than A.(a) Claim. Let be the operation on defined by settingand let be the usual subtraction onThen the function f given by is an OP map fromto .Proof. (4, 2) and (3, 1) are in Thenwhereasso f is operation preserving.
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