Some Help With This Problem

[nch]

The inverse of f(x)=2x-1/x+5 may be written in the form f^-1= ax+b/cx+d, where a,b,c,d are real numbers find a/c.

 

[DrPhil]

The inverse of f(x)=2x-1/x+5 may be written in the form f^-1= ax+b/cx+d, where a,b,c,d are real numbers find a/c.

Given \(\displaystyle y = \dfrac{2x-1}{x+5}\)

interchange the symbols \(\displaystyle y \Leftrightarrow x\), and solve for \(\displaystyle y\).

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