1.
If
g
(
x
) = |
x
+ 3|, find
g
(-7).
A.
10
B.
-4
C.
-7
D.
4
Hint
2.
Identify
h
(
x
) = [
x
] + 4.
A.
constant function
B.
direct variation function
C.
absolute value function
D.
greatest integer function
Hint
3.
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
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.
$4.80
B.
$4.65
C.
$4.60
D.
$4.66
Hint
5.
What is the slope of a constant function?
A.
c
, where
f
(
x
) =
c
B.
-1
C.
0
D.
1
Hint