1.
Describe the graph.
A.
not a relation but a function
B.
neither a relation nor a function
C.
relation and function
D.
relation but not function
Hint
2.
Evaluate the function
f
(
x
) = 2
x
3
- 6
x
+ 1 for
f
(-2).
A.
5
B.
-3
C.
37
D.
-35
Hint
3.
If
j
(
x
) =
x
2
+ 1, find
j
(
a
+ 1).
A.
a
2
+
a
+ 1
B.
a
2
+ 2
a
+ 2
C.
a
2
+ 2
a
+ 1
D.
a
2
+
a
+ 2
Hint
4.
State the domain of the function
A.
all real numbers except 0
B.
all real numbers except
0 and 3
C.
all real numbers except 3
D.
all real numbers except
0, 1, and 3
Hint
5.
Find
f
(2
b
2
) for
f(x)
=
x
2
– 4
x
A.
4
b
4
- 8
b
2
B.
2
b
4
- 8
b
2
C.
-4
b
2
D.
4
b
2
- 8
b
8
Hint