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sutrya
sutrya sutrya
  • 23-08-2016
  • Mathematics
Answered

Which of the following expressions represents a function?


{(1, 2), (4, –2), (8, 3), (9, –3)}


y2 = 16 − x2


2x2 + y2 = 5

x = 7

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 29-08-2016

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

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