1.
Identify
h
(
x
) = [
x
] + 4.
A.
greatest integer function
B.
constant function
C.
absolute value function
D.
direct variation function
Hint
2.
Which equation describes graph A?
A.
y
= 2.25|
x
| - 1
B.
y
= | 2.25
x
|
C.
y
= 2.25
x
- 1
D.
y
= |
x
- 1 |
Hint
3.
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.
$4.65
B.
$4.60
C.
$4.66
D.
$4.80
Hint
4.
What is the slope of a constant function?
A.
-1
B.
1
C.
0
D.
c
, where
f
(
x
) =
c
Hint
5.
What type of function is shown in the graph?
A.
step function
B.
absolute value function
C.
constant function
D.
piecewise function
Hint