Question

Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19.

Answer 1

\(\bf f(x) =y = 5(x+4) - 6\qquad inverse \quad f^{-1}\implies x = 5(y+4) - 6\\ \quad \\
\textit{solve for "y" and then set x = 19, that is }\quad f^{-1}(19)\)