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TQ ALG #3 EXP3
Contributed by: Holland
Which equation matches the function given in 
the table below?
A.
B.
x
y
1/11
-2
-1
1
11
0
C.
D.
121
1
1331
2
The table below represents a(n).....
x
y
A. exponential decay function
B. exponential growth function
C. linear function
D. quadratic function
375
-2
-1
75
15
0
1
3
3/5
2
In the following equation, what would be thegrowth rate?
A. 1.04
B.  104%
C. 4%
D. 40%
You put $125 in a savings account that earns 2%
interest compounded yearly. You do not make any
deposits or withdrawals. How much will your
investment be worth in 5 years?
A. $130
B. $138.01
C. $311.04
D. $4,000
In the exponential decay model 

the quantity 1 - r is called the ________________.
A. initial amount
B. decay rate
C. decay factor
D. time period
A farmer bought a tractor in 1999 for $30,000.
The value of the tractor has been decreasing at a 
rate of 18% per year. What was the approximate 
value of the tractor in 2005?
A. $26,902.35
B. $80,986.62
C. $9,120.20
D. $11,122.20
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