1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
10
B.
11
C.
8
D.
2
f
Hint
3.
If
f
(
x
) = 2
x
- 2, find 2[
f
(3)].
A.
8
B.
2
C.
4
D.
10
Hint
4.
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
5.
Find
h
(3
a
) if
h
(
z
) =
z
2
- 9
z
– 10.
A.
3
a
2
- 27
a
– 10
B.
-24
a
– 10
C.
-18
a
– 10
D.
9
a
2
- 27
a
– 10
Hint