Determine which relation is a function.
A. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}
B. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}
C. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}
D. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}
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Question

Determine which relation is a function.  
A. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}
B. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}
C. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}
D. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}
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ccswims · Answer

A relation can only be a function if the x-values do NOT REPEAT within a set