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**combining functions - just another check :)**

f(x) = 2/x

g(x) = x/x+2

fog = f(g(x))

= f(x/x+2)

=2/x/x+2

=2 * x+2/x

=2x+2/x

[Edit (by ahrkron): no changes; took back my edit (I meant to reply)... the post is now in its original form]

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