1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
2
f
B.
8
C.
11
D.
10
Hint
3.
If
g
(
x
) =
x
2
+ 3
x
- 2, find
g
(-2).
A.
4
B.
-12
C.
-4
D.
8
Hint
4.
If
h
(
z
) = 2
z
2
- 5
z
+ 7, find
h
(3
c
).
A.
18
c
2
- 3
c
+ 7
B.
c
+ 7
C.
18
c
2
- 15
c
+ 7
D.
9
c
2
- 15
c
+ 7
Hint
5.
Find
h
(3
a
) if
h
(
z
) =
z
2
- 9
z
– 10.
A.
-24
a
– 10
B.
9
a
2
- 27
a
– 10
C.
-18
a
– 10
D.
3
a
2
- 27
a
– 10
Hint