Firts, lets switch x and y

In order to find the inverse, we have to clear y.
To do this with an exponential function, we use a little trick:
Apply log to both sides:

We do this in order to use the property of logarithms that allow us to turn an exponent into a coefficient.
Mathematically speaking,

(Note: Remember that log refers to natural logarithm; a logarithm with base e)
Thus,

Clearing y to get the inverse,

Therefore,
