Which of the following expressions represents a function?
a. x2 y2 = 9
b. {(4, 2), (4,...
Mathematics, 08.01.2020 11:31 billythe1st
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
Answers: 1
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