Question

Which set of ordered pairs does NOT represent a function?

A (0, 1), (2, 2), (4, 8), (2, 7), (5, 8), (7, 9)(0, 1), (2, 2), (4, 8), (2, 7), (5, 8), (7, 9)
B (1, 4), (3, 7), (5, 8), (4, 9), (6, 2), (7, 8), (2, 5)(1, 4), (3, 7), (5, 8), (4, 9), (6, 2), (7, 8), (2, 5)
C (-4, 2), (-3, 2), (-2, 2), (-1, 2), (0, 2), (1, 2)(-4, 2), (-3, 2), (-2, 2), (-1, 2), (0, 2), (1, 2)
D (-3, 6), (2, 7), (0, 5), (1, 5), (4, 9), (5, 4)(-3, 6), (2, 7), (0, 5), (1, 5), (4, 9), (5, 4)
E (0, 1), (2, 2), (4, 8), (-2, 7), (5, 8)

Answer 1

Answer: A

Explanation:

The set of ordered pairs that does NOT represent a function is option A because it contains two ordered pairs with the same first element (2), but different second elements (2 and 7), violating the definition of a function, which requires that each input (first element) is associated with only one output (second element).

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