Differentiation of Exponential and Logarithmic Functions

Exponential functions and their corresponding inverse functions, called logarithmic functions, have the following differentiation formulas:


Note that the exponential function f( x) = e x has the special property that its derivative is the function itself, f′( x) = e x = f( x).

Example 1: Find f′( x) if


Example 2: Find y′ if .


Example 3: Find f′( x) if f( x) = 1n(sin x).


Example 4: Find if y=log 10(4 x 2 − 3 x −5).


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