SOLUTION: Find f �(x) if f(x) = 5 tan(x) - 2 e^x - 3 and evaluate f �(1). (Keep 2 decimal places)

Question 1016416: Find f �(x) if
f(x) = 5 tan(x) - 2 e^x - 3
and evaluate f �(1). (Keep 2 decimal places)
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.
Find f �(x) if
f(x) = 5 tan(x) - 2 e^x - 3
and evaluate f �(1). (Keep 2 decimal places)
-----------------------------------------------------

f(x) = 

You probably know that (tan(x))' =  

                       ()' = .

Therefore,

f'(x) =  - .


Hence, f'(1) =  -  =  - .

Please calculate it yourself.

You need to know the table for basic derivatives.
See, for example, http://www.math.ubc.ca/~feldman/m200/formulae.pdf.

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