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Which of the following relations is not a function?

a. (-1, 4), (1, 2), (7, 1), (-6, 5)

b. (7, 4), (-1, 2), (1, 1), (-6, 2)

c. (-6, 4), (1, 3), (-1, 1), (7, 2)

d. (1, 4), (-1, 2), (1, 1), (-6, 2)

User WenChao
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1 Answer

6 votes

Answer:

d

Explanation:

it has two 1s for 2 x values

User Artin
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