Which Set of Ordered Pairs Represents a Function from a to B

question 23

Multiple Choice

Which set of ordered pairs represents a function from A to B
A = {3,2,4,1} and B = {-4,-5,3,2,4}

• A){(3,-4), (2,-5), (4,-4), (3,-5)}
• B){(3,-4), (4,4), (2,-5), (1,3), (2,2)}
• C){(3,4), (1,3), (2,2)}
• D){(3,2), (2,-4), (4,3), (1,4)}
• E){(3,-4), (2,2), (1,3)}

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