CP PC
Name: ___________________
Exponentials and Logs Review
10/23/13
Find an equation for each graph.
1.
2.
3.
4.
5.
Algebraically find the inverse of each function.
a.
f (x)  log5(x  11)  3
b.
g(x)  9x 5  12
6.
Place consecutive integers on both side of each inequality to complete.
 log5 345 
a.
7.
1

70
Evaluate.
1
243
a.
log 2 64
b.
log 3
c.
log1.7 1
d.
log 2(32)
e.
log 1 81
f.
log 6
3
8.
 log 6
b.
1
36
In the 1960's radioactive strontium-90 was released during atmospheric testing of nuclear weapons and some of the
radioactive material was absorbed in the bones of people at the time. If the half-life of strontium-90 is 29 years, what
percent absorbed in 1963 remained in peoples bones in 1973?