1.
If
f
(
x
) = [2
x
- 1], find
f
(5.4).
A.
8
B.
10
C.
9
D.
9.8
Hint
2.
If
g
(
x
) = |
x
+ 3|, find
g
(-7).
A.
-4
B.
10
C.
4
D.
-7
Hint
3.
Choose the graph of
f
(
x
) = |
x
| - 2.
A.
B.
C.
D.
Hint
4.
Which equation describes graph A?
A.
y
= | 2.25
x
|
B.
y
= 2.25
x
- 1
C.
y
= 2.25|
x
| - 1
D.
y
= |
x
- 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.
constant function
B.
step function
C.
absolute value function
D.
identity function
Hint