anonymous
  • anonymous
Someone please help me!! For the given functions f and g, find the requested composite function value. f(x)=x-6/x, g(x)=x^2+9; Find (g o f) (-2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Do you know what (g o f)(x) means? c:
anonymous
  • anonymous
No.
anonymous
  • anonymous
(g o f)(x) means g(f(x))

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anonymous
  • anonymous
You can think of the circle as the word "of"
anonymous
  • anonymous
So in our case (g o f)(x)=g(f(x))=(x-6/x)^2+9. You just take f(x) and plug it into g(x).
anonymous
  • anonymous
Then you plug in the value of -2 since it asks for (g o f)(-2), and -2=x.
anonymous
  • anonymous
Cheers! :3
anonymous
  • anonymous
okay, so I still don't understand.
anonymous
  • anonymous
Just take -2 and plug it into (x-6/x)^2+9
anonymous
  • anonymous
it gives an answer of 25

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