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Which of the following expressions represents a function? x² + y² = 9 {(4,2), (4, -2), (9,3), (9, -3)} x=4 2x + y = 5
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Which of the following expressions represents a function?

x² + y² = 9
{(4,2), (4, -2), (9,3), (9, -3)}
x=4
2x + y = 5

User Adebola
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5.0k points

1 Answer

5 votes

Answer:

the second one it is a function.

User Kartika
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