Respuesta :

Cytokine

(f o g) (x) means that we substitute 3/x into x for f(x)

2 / ((3/x) - 1)

We have to get rid of  the fraction in the denominator. Multiply both the top and bottom by x

(f o g) (x) = [tex]\frac{2x}{3 - x}[/tex]. This is as simplified as it can get.

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