23-08-2016
Mathematics

contestada

Which of the following expressions represents a function?

{(1, 2), (4, –2), (8, 3), (9, –3)}

y2 = 16 − x2

2x2 + y2 = 5

x = 7

Respuesta :

nobillionaireNobley nobillionaireNobley

29-08-2016

{(1, 2), (4, –2), (8, 3), (9, –3)} and x = 7 represents a function.

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