Question

how in the world do i solve the inverse function of this f(x)=2+3^4x-5

Answer 1

y=2+3^{4x-5}
y-2=3^{4x-5}
Ln(y-2)=Ln(3^{4x-5})
Ln(y-2)={4x-5}*Ln(3)
[Ln(y-2)/Ln(3)]=4x-5
[Ln(y-2)/Ln(3)]+5=4x
x=4*{[Ln(y-2)/Ln(3)]+5}