8.4 Logarithmic Functions
Convert from logarithmic to exponential form.
Feb 23­8:20 AM
1
Evaluate
1. Set =x
2. convert to exp. form
3. Rewrite in terms of
same base.
4. Set exponents equal.
Feb 23­8:25 AM
2
Graph a logarithmic equation.
y = log(x)
Find the:
Domain
Range
Asymptote
Feb 22­12:01 PM
3
Write the inverse of
1. switch x and y
2. convert to exponetial form
Feb 22­12:10 PM
4
Feb 23­8:33 AM
5
Evaluate log (8)
use calculator - log button to the left of 7
log8 approximately equal to .903 (round to the
nearest thousandth)
Feb 22­9:35 AM
6