Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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1. Let X = {-1, –3, –5, –7}. Determine whether each relation on X is a function from X to X.
(а) f %3 {(-3, -5), (-1, —7), (-3, —1), (-5, —3), (—7, —-7)}
(b) д %3 {(-3, -1), (-7, —3), (-1, —1)}
(с) h %3D {(-3, —1), (-5, —7), (-1, —7), (-3, —1), (-7, —7)}
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Transcribed Image Text:1. Let X = {-1, –3, –5, –7}. Determine whether each relation on X is a function from X to X. (а) f %3 {(-3, -5), (-1, —7), (-3, —1), (-5, —3), (—7, —-7)} (b) д %3 {(-3, -1), (-7, —3), (-1, —1)} (с) h %3D {(-3, —1), (-5, —7), (-1, —7), (-3, —1), (-7, —7)}
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