2. Inverse, Exponential and Logarithmic Functions
Chapter 11
Inverse, Exponential
and
Logarithmic Functions

3. Common and Natural Logarithms
11.5
Common and Natural Logarithms

4. 11.5 Common and Natural Logarithms
Objectives
Evaluate common logarithms using a calculator.
Use common logarithms in applications.
Evaluate natural logarithms using a calculator.
Use natural logarithms in applications.
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5. 11.5 Common and Natural Logarithms
Common Logarithms
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6. 11.5 Common and Natural Logarithms
Common Logarithms
Copyright © 2010 Pearson Education, Inc. All rights reserved.

7. 11.5 Common and Natural Logarithms
Evaluating Common Logarithms
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8. 11.5 Common and Natural Logarithms
Common Logarithms in Applications
The loudness of sound in decibels is given by the formula
Where I0 is the weakest sound detected by the observer and I is the intensity of the given sound.
That is, find the value of I0 is 51,000 times I.
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9. 11.5 Common and Natural Logarithms
Common Logarithms in Applications
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10. 11.5 Common and Natural Logarithms
Natural Logarithms and Evaluation
Copyright © 2010 Pearson Education, Inc. All rights reserved.

11. 11.5 Common and Natural Logarithms
Natural Logarithms and Evaluation
Copyright © 2010 Pearson Education, Inc. All rights reserved.

12. 11.5 Common and Natural Logarithms
Applications of Natural Logarithms
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