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Which of the following represents a function?
A. x2 + y2 = 16 B. y = 3x + 9 C. x + y2 = 10 D. 2x2 + y2 = 8


Sagot :

Answer:

B.y=3x + 9

Step-by-step explanation:

y=3x + 9 - y=3x + 9

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