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September 20, 2014

September 20, 2014

Posted by **Rachel :)** on Friday, February 12, 2010 at 9:40pm.

Find the derivative of f when

f(x) = 5 tan^-1 (e^-x) + 6e^x

- calculus -
**bobpursley**, Friday, February 12, 2010 at 9:47pmf'= 5 (1/(1+e^-x) * (-e^-x) + 6e^x

= -5/(e^x+1) + 6e^x

check that.

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