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Which of the following sets of ordered pairs represent a function?
Check all that are true.

{(-3, 7), (-2, 7), (-1, 7), (0, 7), (1, 7)}

{(1.5, 3), (2.5, 3), (5, -3), (6, 2.5), (9, 11)}

{(-27, 15), (14, 2), (37, 0), (14, 15), (-3, 7)}

{(15, -2), (-2, 15), (11, 7), (-4, -4), (10.2, 3)}

{(1, 2), (3, 4), (5, 6), (6, 10), (7, 40)}

Respuesta :

Answer:

A.  {(-8,-14), (-7,-12), (-6,-10), (-5,-8)}

A function has no repeated values of the independent variable. Only choice A meets that requirement.

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B: (-9, 12) and (-9, 8) both have -9 as a first value; not a function.

C: (8, -2) and (8, -10) both have 8 as a first value; not a function.

D: (-2, 0) and (-2, 3) both have -2 as a first value; not a function.

Step-by-step explanation:

morgstink
A! It has no repeating numbers :)

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