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Logarithms and Logarithmic Functions

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1 Logarithms and Logarithmic Functions
Notes 8.4 (Day 1) Logarithms and Logarithmic Functions

2 Definition of a logarithm
*** Read as “log base b of y equals x” *** IF a log does not have a base, it is assumed that it is base 10 *** All rules for logs apply for natural logs (ln), however if ln does not have a base, it is considered base e

3 Rewrite the logarithmic equation in exponential form.

4 Rewrite the logarithmic equation in exponential form.

5 Evaluate the logarithm.

6 Evaluate the logarithm.

7 Evaluate the logarithm.

8 Evaluate the logarithm.

9 Evaluate the logarithm.

10 Evaluate the logarithm.

11 Inverse properties of logarithms:
Simplify the expression.

12 Inverse properties of logarithms:
Simplify the expression.

13 Inverse properties of logarithms:
Simplify the expression.

14 Homework: P , 29-68


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