Question 31002
if I am reading this right:
if {{{f(x) = log5  x+ 4}}}, then {{{f-1(x)}}}

f(x) is the same as y
if {{{y = log5  x+ 4}}}, then {{{y-1}}}
{{{y-1=log5x+4}}}
{{{y=log5x+5}}} or {{{f-1(x)=log5x+5}}}

please double check the problem and verify it is not asking f(x-1)