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i need help on this fast

Which set of ordered pairs represents a function?
O {(5,-2), (0,3), (-4,6), (0,5)}
O {(5,7), (5,6), (3,-1), (7,4)}
O{(-5, -9), (8, –4), (-4,-3), (4, -4)}
O {(–9,6), (–2,8),(-9,-5), (8, –6)}

Respuesta :

Answer:

(-5,-9)(8,-4)(-4,-3)(4,-4)

Step-by-step explanation:

the other ordered pairs have x values that equal 2 y values and this one each x value has a separate y value