Question

If h(x) = ln(x) then h^-1(x) = ?

Answer 1

e^x

Answer 2

\[y=\ln x\]
That is the same as:
\[e^y=x\]
And the inverse is :
\[e^x=y\]

Answer 3

So we see that the inverse of y = lnx is y = e^x