1.
If
g
(
x
) = |
x
+ 3|, find
g
(-7).
A.
4
B.
-4
C.
-7
D.
10
Hint
2.
Choose the graph of
f
(
x
) = |
x
| - 2.
A.
B.
C.
D.
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.
$4.80
B.
$4.65
C.
$4.60
D.
$4.66
Hint
4.
If
find
f
(-9).
A.
-5
B.
-1
C.
5
D.
1
Hint
5.
Suppose a plant grows one inch every year. If
x
is how old the plant is (in years), and
f
(
x
) is how tall the plant is (in inches), what type of function is
f
(
x
)?
A.
step function
B.
constant function
C.
absolute value function
D.
identity function
Hint