Wetzel

Math 140

5.1 – The Natural Logarithmic Function: Differentiation

Review –

            Natural Log –  

·        a log is an exponent

·        can only take the log of positive numbers

·        a natural log is a log with base e

            Properties of Logs –

·       

·       

·       

·       

 The Derivative of the Natural Log –

Ex.:  Find the derivative of each.

1.)                                                   2.) 

3.)                                                             4.) 

HW:  p.330  #45-57odd