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Which of the following expressions represents a function? a.{(1, 2), (4, –2), (8, 3), (9, –3)} b.y2 = 16 − x2 c.2x2 + y2 = 5 d. x = 7

Which of the following expressions represents a function? a.{(1, 2), (4, –2), (8, 3), (9, –3)} b.y2 = 16 − x2 c.2x2 + y2 = 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.y2 = 16 − x2
c.2x2 + y2 = 5
d. x = 7

User Chris Dworetzky
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8.4k points

1 Answer

4 votes
a. represents a function
User Tressa
by
7.3k points
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