Respuesta :

samirafrid

Answer:

suppose f(x) = 2(x-1)

y= F(x)

F⁻(y) = x

Assume that,

f(x) = y

==2x-2 = y

== x = ( y +2) / 2

F⁻(y) = (y+2)/2

F⁻(x) = ( x +2)/2

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