Question

if f(x)=5x-6. what is the equation for f^-1(x)?

Answer 1

\[y=5x-6\]
\[x=5y-6\]
\[x+6=5y\]
\[\frac{x+6}{5}=y\]

Answer 2

inverse is
\[f^{-1}(x)=\frac{x+6}{5}\]