Question: Let x = { e , g , k , m , o , s , u } , and Y = { 4 ,

Let x={e,g,k,m,o,s,u}, and Y={4,6,10,17,19,22,30}. Is each of the following functions from x to Y invertible? f={(e,30),(g,10),(k,4),(m,4),(o,19),(s,10),(u,30)}f={(e,4),(g,17),(k,22),(m,30),(o,10),(s,6),(u,19)}f={(e,22),(g,10),(k,30),(m,30),(o,30),(s,22),(u,30)}f={(e,19),(g,4),(k,6),(m,19),(o,6),(s,10),(u,4)}
Let x={e,g,k,m,o,s,u}, and Y={4,6,10,17,19,22,30}. Is each of the following functions from

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