1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
11
B.
8
C.
10
D.
2
f
Hint
3.
If
h
(
z
) = 2
z
2
- 5
z
+ 7, find
h
(3
c
).
A.
c
+ 7
B.
18
c
2
- 15
c
+ 7
C.
9
c
2
- 15
c
+ 7
D.
18
c
2
- 3
c
+ 7
Hint
4.
Find
f
(
x
– 7) if
f
(
x
) = -4
x
– 10.
A.
4
x
+ 3
B.
4
x
– 38
C.
-4
x
– 17
D.
-4
x
+ 18
Hint
5.
Find
h
(-2.5) if
h
(
z
) =
z
² + 3.5
z
– 2.75.
A.
-5.25
B.
0.25
C.
12.25
D.
-17.75
Hint