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Which of the following expressions represents a function? A. {(1,2), (4,-2), (8,3) , (9,-3)} B. Y^2=16-X^2 C. 2X^2+Y^2=5 D. X=7
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Which of the following expressions represents a function?

A. {(1,2), (4,-2), (8,3) , (9,-3)}
B. Y^2=16-X^2
C. 2X^2+Y^2=5
D. X=7

User Yonik
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1 Answer

5 votes
the answer is answer A is a function

User Xiong Chiamiov
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