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Functions and Graphs 1
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Result
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Determine whether or not each given relation represents a function. Choose your answer.

1. {(8, –7), (2, 5), (3, 5)}
A function
Not a function
Answer: A function
2. {2, –5), (3, 1), (4, 3)}
A function
Not a function
Answer: A function
3. {(Erwin, basketball), (Adrian, badminton), (Iya, tennis), (Jane, swimming), (Gary, basketball), (Bianca, golf)}
A function
Not a function
Answer: A function
4. A student is paired with his/her father
A function
Not a function
Answer: A function
5. A train is paired with its passengers
A function
Not a function
Answer: Not a function
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