What Is The Scientific Name for The Study of Shopping?
Cross o u t t h e l e t t e r next t o each correct
m0^^
0)
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m
m
O
O
<
H
(/)
rounded). When you finish, t h e anewer
2
10
PART 1. G r a p h y = 8 • 2"^ for
64
t h e d o m a i n [ - 3 , - 2 , - 1 , 0 , 1 , 2, 3
First, complete t h e table, t h e n
graph the function.
16
13.1 c m
12.0 c m
X
4
-3
18 c m
-2
1
-1
Z
11.8 c m
0
3
o
Q
.J
8
1
O
14.6 c m
(/)
15.4 c m
20 cm
.
$530.60
$96,000
o
H
>
$572.94
^HJ
o
-3
$574.34
0
500.00
$563.08
7.5 g
50 g
-1
Z
0Copy
No.
Width
(cm)
0
20
o
2
3
4
5
PART 4. Suppose a n i n v e s t m e n t of $ 3 0 0 0
doubles i n value every 12 years.
W h a t w i l l be i t s v a l u e after 2 4 years?
7
W h a t w i l l be i t s value after 6 0 years?
$520.20
$552.04
X
1
6
8
5
PART 3. Teva deposited $ 5 0 0 i n a b a n k a c c o u n t
t h a t pays 8 % interest, c o m p o u n d e d q u a r t e r l y .
Complete t h e table M t H e l e f n ^ s h o w t h e value
of h e r i n v e s t m e n t at t h e e n d of each q u a r t e r for
t h e n e x t t w o years. [Q = q u a r t e r n u m b e r )
$585.83
z $510.00
Q. 6.25 g
3 $538.72
H $12,000
-2
PART 2. Suppose y o u photocopy t h e
square image at t h e left, r e d u c i n g i t t o
9 0 % of i t s o r i g i n a l size. T h e n , suppose
y o u m a k e a copy of the copy, r e d u c i n g
the image t o 9 0 % of t h e first copy size.
A n d suppose y o u c o n t i n u e t h i s process
t h r o u g h five r e d u c t i o n s . Complete t h e
table t o show t h e w i d t h of t h e image
after each r e d u c t i o n .
$7^,000
z
H
AA
VO
Value ($)
<
zXo
OA
Q
<
y
o ^
111 $541.22
u
^^W'
to t h e t i t l e c^uestion will remain.
y
3
16.2 c m
13-24
oc
( s o m e answers are
2
72
32
answer
PART 5. C e s i u m - 1 3 7 h a s a h a l f life of 3 0 years.
Suppose a l a b stored a 100 g sample i n 1970.
^)
H o w m a n y grams r e m a i n e d i n t h e year 2000?
H o w m a n y grams w l U r e m a i n i n 2 0 9 0 ?
Exponents and Exponential Functions:
Exponential Growth and Decay
PUNCHLINE • Algebra • Book B
©2006 Marcy Mathworks
11.16