lexilogi lexilogi

21-06-2018
Mathematics

contestada

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

Respuesta :

boog562837 boog562837

25-06-2018

the answer is answer A is a function

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