Question

Which set of ordered pairs represents a function?

{(−2,0),(−5,−5),(−1,3),(2,0)}

{(−3,9),(3,−9),(−3,−5),(−5,0)}

{(4,−6),(1,−3),(1,1),(−2,9)}

{(−3,−2),(3,−9),(−7,−6),(−3,−3)}

Answer 1

The set of ordered pairs that represents a function is:

{(−2,0),(−5,−5),(−1,3),(2,0)}