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Which relation below is NOT a function? A. {(-2, 4), (1,3), (0,4)} B. {(5,5), (4,4), (3,3) } C. {(-4,0), (-7,0), (11, 0)} D. {(1,4), (2,5) (1,7)}

Which relation below is NOT a function? A. {(-2, 4), (1,3), (0,4)} B. {(5,5), (4,4), (3,3) } C. {(-4,0), (-7,0), (11, 0)} D. {(1,4), (2,5) (1,7)}
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16 votes
Which relation below is NOT a function?

A. {(-2, 4), (1,3), (0,4)}
B. {(5,5), (4,4), (3,3) }
C. {(-4,0), (-7,0), (11, 0)}
D. {(1,4), (2,5) (1,7)}

User Imanol Luengo
by
8.0k points

1 Answer

2 votes
Functions have a unique value of y for each value of x.
D has two possible values of y when x = 1 therefore it is NOT a function
User JxB
by
8.0k points
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