1.
Approximate 5(3
1.8
) to the nearest hundredth.
A.
29.16
B.
27.42
C.
36.12
D.
32.90
Hint
2.
For equations of the form
y
=
a
x
, where
a
is a constant, what is true about
a
if the
y
-values change little for small values of
x
, but increase quickly for large
x
values?
A.
a
> 1
B.
–1 <
a
< 0
C.
a
= 1
D.
0 <
a
< 1
Hint
3.
Use a graph in order to approximate
.
A.
112.6
B.
0.0045
C.
0.0089
D.
133.4
Hint
4.
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation
y
= 30(0.92)
d
, where
y
is the number of phone calls after
d
days. How many phone calls should she expect after a week?
A.
17
B.
2
C.
28
D.
23
Hint
5.
Use a graph to approximate 3
1.2
.
A.
5.4
B.
3.7
C.
0.27
D.
3.12
Hint