Question

identify whether each list of ordered pairs represents a function. Explain your answersa. {(5,4),(6,3),(7,2)}b. {(4,5),(4,3),(5,2)}c. {(5,4), (6,4), (7,4)}

Answer 1

A, C functions. B not a function

1) Let's check that using a diagram. Since for each input (x) on the Domain corresponds an output on the Range.

This is a function since each entry on the Domain corresponds to one and only output on the Range,.

Not a function.

This is a function since each entry on the Domain corresponds to one and only output on the Range,