Respuesta :

Hello from MrBillDoesMath!

Answer:  4x

Discussion:


If f(x) = 8/ x, then


f (2/x) =   8 / (2/x) =  (8/2) * x = 4x

Thank you,

MrB

tonytlan06

It is basically saying you need to substitue 2/x for x into 8/x.

So 8/(2/x) = 8*(x/2) = 4x

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