# Isolating or finding the inverse of an Exponential Function

• Sep 27th 2009, 08:15 PM
MATHDUDE2
Isolating or finding the inverse of an Exponential Function
So I have the function x=2^y

How do I rearrange for y in this case? What are the steps?

Thank you!
• Sep 27th 2009, 08:35 PM
pacman
x=2^y?

base = b = 2

exponent = y

convert it to the logarithmic form
• Sep 27th 2009, 08:37 PM
pickslides
Consider the following.

$
a^b= c \Rightarrow b = \log_ac
$