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Let X=1,2,3 and Y=4,5. Find whether the following subsets of X×Y are functions from X to Y or not. (i) f={(1,4),(1,5),(2,4),(3,5)} (ii)g={(1,4),(2,4),(3,4)} (iii) h={(1,4),(2,5),(3,5)} (iv) k={(1,4),(2,5)} |
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Answer» Let X=1,2,3 and Y=4,5. Find whether the following subsets of X×Y are functions from X to Y or not. (ii)g={(1,4),(2,4),(3,4)} (iii) h={(1,4),(2,5),(3,5)} (iv) k={(1,4),(2,5)} |
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