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need help on this math question !!!
17. Which relation is not a function?

A. {(–7,2), (3,11), (0,11), (13,11)}

B. {(7, 11), (11, 13), (–7, 13), (13, 11)}

C. {(7,7), (11, 11), (13, 13), (0,0)}

D. {(7, 11), (0,5), (11, 7), (7,13)}

Respuesta :

Danutz98

Answer:

D. {(7, 11), (0,5), (11, 7), (7,13)}

Step-by-step explanation:

Because the relations (7, 11), (7,13) are false.

f(7) = 11

f(7) = 13

=> 11 = 13 (F)

alinakincsem

Answer:

The correct answer option is: D. {(7, 11), (0,5), (11, 7), (7,13)}.

Step-by-step explanation:

We are given some paired values of inputs and outputs (x and y) for a function and we are to determine whether which of them is not a function.

For a relation to be function, no value of x should be repeated. It means that for each value of y, there should be a unique value of x (input).

In option D, two of the pairs have same value of x. Therefore, it is not a function.

{(7, 11), (0,5), (11, 7), (7,13)}

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