1.
If
f
(
x
) = [2
x
- 1], find
f
(5.4).
A.
8
B.
9.8
C.
9
D.
10
Hint
2.
Identify
h
(
x
) = [
x
] + 4.
A.
constant function
B.
direct variation function
C.
absolute value function
D.
greatest integer function
Hint
3.
Choose the graph of
f
(
x
) = |
x
| - 2.
A.
B.
C.
D.
Hint
4.
A cellular telephone company charges $0.20 per minute or fraction thereof. If Miguel, a customer of this company, talks on his cell phone for 23.27 minutes, what will his charges be for that phone call?
A.
$4.60
B.
$4.66
C.
$4.65
D.
$4.80
Hint
5.
What is the slope of a constant function?
A.
1
B.
-1
C.
0
D.
c
, where
f
(
x
) =
c
Hint