Logarithmic Functions As Inverses Worksheet Page 3
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1
2
3Graphing Logarithmic Functions
A logarithmic function is the inverse of an exponential function.
1. Convert to exponential
2. Interchange x and y
3. Use table on calculator
4. Write down values
5. Interchange x and y
Graph the following:
EX 18: y = log
x
EX 19: y = log
(x + 3)
4
3
Calculate to four decimal places.
1
7
EX 20: log 5
EX 21: log (1.3 x 10
)
EX 22: log
6
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