1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
f
(
x
) = 2
x
- 2, find 2[
f
(3)].
A.
4
B.
8
C.
10
D.
2
Hint
3.
Find
if
f
(
x
) = -12
x
+
A.
0
B.
-8
C.
-9
D.
1
Hint
4.
Find
f
(
x
– 7) if
f
(
x
) = -4
x
– 10.
A.
4
x
+ 3
B.
-4
x
– 17
C.
-4
x
+ 18
D.
4
x
– 38
Hint
5.
Find
h
(-2.5) if
h
(
z
) =
z
² + 3.5
z
– 2.75.
A.
-5.25
B.
12.25
C.
-17.75
D.
0.25
Hint