1.
Which could be the degree of the function represented by the graph?
A.
4
B.
5
C.
1
D.
3
Hint
2.
Find
f(x + h)
for
f(x)
=
x
2
+ 2
x
.
A.
x
2
+ 2
xh
+
h
2
+ 2
x
B.
x
2
+ 2
x
+
h
C.
x
2
+ 2
xh
+
h
2
+ 2
x
+ 2
h
D.
x
2
+ 2
x
+ 2
h
Hint
3.
Find 4[
p(x)
] if
p(x)
=
x
2
- 3
x
+ 2.
A.
4
x
2
- 3
x
+ 2
B.
16
x
2
- 12
x
+ 2
C.
x
2
- 12
x
+ 2
D.
4
x
2
- 12
x
+ 8
Hint
4.
If a graph represents an odd-degree polynomial function, what must be true?
A.
It must pass through the
x
-axis.
B.
As
,
C.
It must have at least three roots.
D.
It may not have any real roots.
Hint
5.
If a graph represents an even-degree polynomial function, what cannot be true?
A.
It could be true that as
,
.
B.
It could have 1 real root.
C.
It could have a negative leading coefficient and
as
.
D.
It could open downward.
Hint