johnausgustine johnausgustine

06-05-2016
Mathematics

contestada

Which of the following expressions represents a function?
a. x2 y2 = 9
b. {(4, 2), (4, –2), (9, 3), (9, –3)}
c. x = 4
d. 2x y = 5

Respuesta :

smoothcool12 smoothcool12

06-05-2016

The correct answer is d

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