Question

Which relation is a function?


A.{(0, –9), (–9, 0), (–3, –3)}

B.{(0, –9), (–9, –2), (0, –3)}

C.{0, –9, –2, –3}

D.{(0, –9), (–2, –3), (–2, 0), (–3, –2)}

Answer 1

A. {(0, –9), (–9, 0), (–3, –3)}