Which set of ordered pairs represents y as a function of x? (0,0),(1,2),(1,2),(2,4),(2,4)open paren 0 comma 0 close paren comma open paren 1 comma 2 close paren comma open paren 1 comma 2 close paren comma open paren 2 comma 4 close paren comma open paren 2 comma 4 close paren

(0,0),(1,0.5),(2,1),(3,1.5),(4,2)op en paren 0 comma 0 close paren comma open paren 1 comma 0 point 5 close paren comma open paren 2 comma 1 close paren comma open paren 3 comma 1 point 5 close paren comma open paren 4 comma 2 close paren

(0,0),(0,1),(0,2),(0,1),(0,2)open paren 0 comma 0 close paren comma open paren 0 comma 1 close paren comma open paren 0 comma 2 close paren comma open paren 0 comma 1 close paren comma open paren 0 comma 2 close paren

(0,0),(1,1),(2,4),(3,9),(3,16)