anonymous
  • anonymous
f(x)= 2x/x+3 and g(x)=5/x find: (f o g)(x) ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@marsss
anonymous
  • anonymous
hey @Mertsj :D
Mertsj
  • Mertsj
f composite g means to replace each x in the function f with the function g

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More answers

anonymous
  • anonymous
2(5/x) / (5/x)+3 right ?
anonymous
  • anonymous
f o g means f(g(x)) if g(x) = 5/x and f(x) = 2x/(x+3) Then f o g = 2(5/x)/(5/x + 3)
Mertsj
  • Mertsj
|dw:1359320337310:dw|
anonymous
  • anonymous
ok cool :) but I'm stuck from there...
Mertsj
  • Mertsj
|dw:1359320391800:dw|
Mertsj
  • Mertsj
Multiply numerator and denominator by x to simplify the complex fraction.
anonymous
  • anonymous
10/x / 3+5/x ?
Mertsj
  • Mertsj
|dw:1359320436709:dw|
anonymous
  • anonymous
isn't it suppose to be 10/x ?
anonymous
  • anonymous
that's the part im stuck from
Mertsj
  • Mertsj
|dw:1359320617741:dw|
Mertsj
  • Mertsj
That's the point of multiplying by x: the denominators cancel

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