contestada

Which of the following relations represent a function?
A. {(-1,-3),(3,2),(3,7)}
B.{(-1,4),(2,7),(3,7)}
C.{(-3,7),(3,-7),(3,7)}
D. {(-1,4),(-1,7),(3,5)}
100 POINTS

Respuesta :

RajeshMagar

option no:- 3

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#A

  • (-1,3)
  • (3,2)
  • (3,7)

3 has two images 2,7 hence not a function

#B

  • (-1,4)
  • (2,7)
  • (3,7)

Every domain has unique range hence function

#C

  • (-3,7)
  • (3,-7)
  • (3,7)

3 has two images hence not a function

#4

-1 has two images hence not a function

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