1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
h
(
z
) = 2
z
2
- 5
z
+ 7, find
h
(3
c
).
A.
18
c
2
- 3
c
+ 7
B.
18
c
2
- 15
c
+ 7
C.
c
+ 7
D.
9
c
2
- 15
c
+ 7
Hint
3.
Find
if
f
(
x
) = -12
x
+
A.
1
B.
-9
C.
0
D.
-8
Hint
4.
Find
h
(-2.5) if
h
(
z
) =
z
² + 3.5
z
– 2.75.
A.
-17.75
B.
12.25
C.
0.25
D.
-5.25
Hint
5.
Find
h
(3
a
) if
h
(
z
) =
z
2
- 9
z
– 10.
A.
3
a
2
- 27
a
– 10
B.
-18
a
– 10
C.
-24
a
– 10
D.
9
a
2
- 27
a
– 10
Hint