Ashy98
  • Ashy98
Which of the following expressions represents a function? A.) y = x2 B.) {(9, 2), (4, −2), (5, 3), (9, −4)} C.) x = −3 D.) x2 = 25 − y2 <--- I think
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
and no!!
misty1212
  • misty1212
it does not represent a function because the \(y\) term is squared

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misty1212
  • misty1212
which means one x can have two y's
misty1212
  • misty1212
B is not a function because the 9 repeats
misty1212
  • misty1212
C is not a function because it is a vertical line, which fails the vertical line test spectacularly
misty1212
  • misty1212
that leaves?
Ashy98
  • Ashy98
So that mean it's A, thank you so much!!!

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