Asked by nope

Which set of ordered pairs represents a function?
Answer
Multiple Choice Answers
left curly bracket, left parenthesis, minus, 8, comma, 1, right parenthesis, comma, left parenthesis, minus, 5, comma, minus, 5, right parenthesis, comma, left parenthesis, 4, comma, 1, right parenthesis, comma, left parenthesis, minus, 7, comma, minus, 4, right parenthesis, right curly bracket{(−8,1),(−5,−5),(4,1),(−7,−4)}
left curly bracket, left parenthesis, 9, comma, 2, right parenthesis, comma, left parenthesis, minus, 3, comma, 0, right parenthesis, comma, left parenthesis, 9, comma, minus, 8, right parenthesis, comma, left parenthesis, 0, comma, minus, 6, right parenthesis, right curly bracket{(9,2),(−3,0),(9,−8),(0,−6)}
left curly bracket, left parenthesis, 8, comma, 0, right parenthesis, comma, left parenthesis, minus, 4, comma, minus, 8, right parenthesis, comma, left parenthesis, 0, comma, minus, 3, right parenthesis, comma, left parenthesis, 8, comma, minus, 3, right parenthesis, right curly bracket{(8,0),(−4,−8),(0,−3),(8,−3)}
left curly bracket, left parenthesis, 0, comma, minus, 4, right parenthesis, comma, left parenthesis, minus, 4, comma, minus, 6, right parenthesis, comma, left parenthesis, minus, 6, comma, 2, right parenthesis, comma, left parenthesis, 0, comma, 7, right parenthesis, right curly bracket{(0,−4),(−4,−6),(−6,2),(0,7)}

All Answers 1

Answered by GPT-5 mini AI
The first set, {(−8,1),(−5,−5),(4,1),(−7,−4)}.

Reason: each x-value (−8, −5, 4, −7) appears only once. The other sets repeat an x with two different y-values, so they are not functions.