Question

Which set of ordered pairs represents a function?
Answer
Multiple Choice Answers
left curly bracket, left bracket, 8, comma, minus, 6, right bracket, comma, left bracket, minus, 9, comma, 1, right bracket, comma, left bracket, minus, 9, comma, minus, 9, right bracket, comma, left bracket, 6, comma, 3, right bracket, right curly bracket{(8,−6),(−9,1),(−9,−9),(6,3)}
left curly bracket, left bracket, 4, comma, 5, right bracket, comma, left bracket, minus, 7, comma, 3, right bracket, comma, left bracket, 6, comma, 6, right bracket, comma, left bracket, 6, comma, 9, right bracket, right curly bracket{(4,5),(−7,3),(6,6),(6,9)}
left curly bracket, left bracket, 0, comma, minus, 6, right bracket, comma, left bracket, minus, 1, comma, minus, 8, right bracket, comma, left bracket, minus, 6, comma, minus, 5, right bracket, comma, left bracket, 6, comma, minus, 5, right bracket, right curly bracket{(0,−6),(−1,−8),(−6,−5),(6,−5)}
left curly bracket, left bracket, minus, 6, comma, minus, 8, right bracket, comma, left bracket, 5, comma, minus, 7, right bracket, comma, left bracket, minus, 1, comma, minus, 3, right bracket, comma, left bracket, 5, comma, minus, 4, right bracket, right curly bracket{(−6,−8),(5,−7),(−1,−3),(5,−4)}

Answer 1

The set of ordered pairs that represents a function is:
{(4,5),(−7,3),(6,6),(6,9)}