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# (d) Let X {1,2,3,4} and Y = {5,6,7}. State whether a function f : X ~+ Y can be one-to-one or not without justificalion. Also, produce an example of a function f:x ...

## Question

###### (d) Let X {1,2,3,4} and Y = {5,6,7}. State whether a function f : X ~+ Y can be one-to-one or not without justificalion. Also, produce an example of a function f:x ~Y Ihat is not onto. [6 marks ]

(d) Let X {1,2,3,4} and Y = {5,6,7}. State whether a function f : X ~+ Y can be one-to-one or not without justificalion. Also, produce an example of a function f:x ~Y Ihat is not onto. [6 marks ]

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