1.
Which statement is true about the graph shown below?
A.
The range is {-3, -2, 0, 1}.
B.
The relation is a function.
C.
The relation is not a function.
D.
The domain is {-3, 2, 4}.
Hint
2.
Determine which equation represents a function.
A.
x
= 4
B.
C.
y
= -2
x
+ 1
D.
x
=
y
2
- 1
Hint
3.
If
f
(
x
) = 2
x
- 2, find 2[
f
(3)].
A.
8
B.
4
C.
2
D.
10
Hint
4.
Find
if
f
(
x
) = -12
x
+
A.
-9
B.
-8
C.
0
D.
1
Hint
5.
Find
h
(-2.5) if
h
(
z
) =
z
² + 3.5
z
– 2.75.
A.
0.25
B.
12.25
C.
-17.75
D.
-5.25
Hint