MA 153 Lesson 37 Outline Review of Lesson 36: Logarithms—be sure to be able to switch from log form to exponential form and vice versa. Definition of a logarithm logyayxa=↔x=(log form) (exponential form) Domain: which means that you cannot take the logarithm of a negative number of zero. 0x>Types of Logarithms(1) Regular Log (2) Common Log (3) Natural Log logay=xxlogy=means lnyx=means 10logyx=logeyx=Answering of homework questions over lesson 36. Lesson 37 Section 5.4 (con’t) LogarithmsGraphingExample xySketch the graph of fif a=3: (a) ()()3loglogafxxfxx==
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