Question 550908
I need the derivative of : y = e^x - e^-x 
The answer is supposed to be y' = e^x + e^-x 
I want to know how to do this. 
Is there a solver on algebra.com to do this? 
------------------
Do you know the derivative of e^x?
---------
Here's a solver.
------
http://www.calc101.com/
It will do them free.  If you want to see the steps, it's $25/year.