1.
Choose the graph that is not a function.
A.
B.
C.
D.
Hint
2.
Determine which equation represents a function.
A.
x
=
y
2
- 1
B.
C.
y
= -2
x
+ 1
D.
x
= 4
Hint
3.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
8
B.
11
C.
10
D.
2
f
Hint
4.
If
f
(
x
) = 2
x
- 2, find 2[
f
(3)].
A.
2
B.
10
C.
8
D.
4
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