Properties of Logs Notes

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Unformatted text preview: ­ 2 ln (xy) Change of Base logb x = log x log b ln x or ln b 1. log4 7 = 2. log3 16 = 3. log6 10 = 4. log1/2 2 3 pc ch 3 3.4 notes.notebook December 04, 2013 You can rewrite any logarithmic function g(x) = logb x as g(x) = ln x = 1 ln b ln b (ln x) This helps in describing transformations If b > 1 then the graph has a vertical stretch or shrink by 1/(ln b) If 0 < b < 1 then it has a reflection across the x­axis 1. g(x) = log5 x 2. h(x) = log1/4 x Analyze y = logb x with b > 1 4...
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This document was uploaded on 03/17/2014 for the course MATH PreCalculu at Carlisle High School, Carlisle, OH.

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