Which set is a function?

A)
{(0,3), (3,0), (0,4), (4,0)}

B)
{(0,2), (2,0), (4,6), (6,4)}

C)
{(2,6), (3,6), (4,6), (2,0)}

D)
{(6,2), (2,0), (4,6), (6,4)}

D)

B

Step-by-step explanation:

A function cannot have a repeated x-coordinateIn set A, the number 0 is repeated twiceIn set C, the number 2 is repeated twiceIn set D, the number 6 is repeated twiceTherefore, the correct answer is B because none of the x-coordinates are repeated.

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