SOLUTION: I need help on an explanation on why e^x & ln(x) are inverse functions. An example would be great. For example what is e^ln400 equivalent to

Question 930249: I need help on an explanation on why e^x & ln(x) are inverse functions.
An example would be great.
For example what is e^ln400 equivalent to
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
ln x is often defined as the inverse of e^x, since it is the logarithm base e. There are several other definitions of ln x on Wikipedia, including the fact that

.

e^(ln 400) = 400.
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