1.
Approximate 5(3
1.8
) to the nearest hundredth.
A.
27.42
B.
36.12
C.
32.90
D.
29.16
Hint
2.
Which is the graph of
y
= 2.5
x
?
A.
B.
C.
D.
Hint
3.
What is the
y
-intercept of the graph of
y
= 4
x
- 2
?
A.
-2
B.
-1
C.
D.
0
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.
23
D.
28
Hint
5.
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
= 20(0.53)
d
, where
y
is the number of phone calls after
d
days. On what day should she expect to have 3 calls?
A.
2
B.
3
C.
10
D.
15
Hint