Question

I need help please!

Answer 1

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Answer:

  f(g(x)) = 2/(x^2 +4x)

Step-by-step explanation:

  $(f\circ g)(x)=f(g(x))\\\\(f\circ g)(x)=f(x+2)=\dfrac{2}{(x+2)^2-4}\\\\(f\circ g)(x)=\dfrac{2}{x^2+4x+4-4}\\\\\boxed{(f\circ g)(x)=\dfrac{2}{x^2+4x}}$