1. 5.5 Logarithmic Functions
Power of 10
Common Log
….. 1 2 3 4 k

2. 5.5 Logarithmic Functions
QED

3. 5.5 Logarithmic Functions

4. Two-person conversation 60
Sound
Intensity Level
Decibel Level
Barely Audible
Whisper 10
Leaves in a breeze 20
Soft recorded music 40
Two-person conversation 60
Loud stereo set 80
Subway train
100
Jet at takeoff
120
Pain in eardrum
130
Stereos

5. 5.5 Logarithmic Functions

6. 5.5 Logarithmic Functions
Table

7. 5.5 Logarithmic Functions

8. 5.5 Logarithmic Functions

9. 5.5 Logarithmic Functions
HW 5.5/1-24