Which set of ordered pairs does not represent a function?

Answer
Multiple Choice Answers

left curly bracket, left bracket, minus, 8, comma, minus, 2, right bracket, comma, left bracket, 0, comma, 2, right bracket, comma, left bracket, minus, 6, comma, 2, right bracket, comma, left bracket, minus, 4, comma, minus, 1, right bracket, right curly bracket{(−8,−2),(0,2),(−6,2),(−4,−1)}

left curly bracket, left bracket, minus, 6, comma, minus, 4, right bracket, comma, left bracket, minus, 9, comma, 0, right bracket, comma, left bracket, 5, comma, minus, 7, right bracket, comma, left bracket, minus, 3, comma, minus, 4, right bracket, right curly bracket{(−6,−4),(−9,0),(5,−7),(−3,−4)}

left curly bracket, left bracket, 1, comma, 6, right bracket, comma, left bracket, minus, 3, comma, 6, right bracket, comma, left bracket, 6, comma, 3, right bracket, comma, left bracket, 0, comma, minus, 4, right bracket, right curly bracket{(1,6),(−3,6),(6,3),(0,−4)}

left curly bracket, left bracket, 6, comma, 7, right bracket, comma, left bracket, minus, 3, comma, 8, right bracket, comma, left bracket, 7, comma, minus, 2, right bracket, comma, left bracket, minus, 3, comma, minus, 3, right bracket, right curly bracket{(6,7),(−3,8),(7,−2),(−3,−3)}

1 answer

The set of ordered pairs that does not represent a function is:

left curly bracket, left bracket, minus, 6, comma, minus, 4, right bracket, comma, left bracket, minus, 9, comma, 0, right bracket, comma, left bracket, 5, comma, minus, 7, right bracket, comma, left bracket, minus, 3, comma, minus, 4, right bracket, right curly bracket{(−6,−4),(−9,0),(5,−7),(−3,−4)}

This set does not represent a function because the x-values (-6, -9, 5, -3) are not distinct and are repeating in the set of ordered pairs.