issagirl05
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PLEASE HELP!!!!!!!!!!!!
Which set of ordered pairs does NOT represent a function?
A) (0, 1), (2, 2), (4, 8), (-2, 7), (5, 8)
B) (0, 1), (2, 2), (4, 8), (2, 7), (5, 8), (7, 9)
C) (-3, 6), (2, 7), (0, 5), (1, 5), (4, 9), (5, 4)
D) (-4, 2), (-3, 2), (-2, 2), (-1, 2), (0, 2), (1, 2)
Which set of points is a function?
A) {(0,3),(2,4),(0,6)}
B) {(1,2),(2,2),(3,2)}
C) {(1,4),(2,5),(1,6)}
D) {(2,3),(-2,4),(2,6)}

Respuesta :

A set of ordered pairs does NOT represent a function when an input(x value) has multiple outputs(y value). The input can only have one output.

For the first one the answer is B because when x is 2, it has multiple y values. (2, 2) and (2,7)

For the second one the answer is B because A, C, and D have inputs(x values) that have multiple outputs(y values)

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