1.
Find
f(x + h)
for
f(x)
=
x
2
+ 2
x
.
A.
x
2
+ 2
x
+ 2
h
B.
x
2
+ 2
xh
+
h
2
+ 2
x
+ 2
h
C.
x
2
+ 2
x
+
h
D.
x
2
+ 2
xh
+
h
2
+ 2
x
Hint
2.
Find 4[
p(x)
] if
p(x)
=
x
2
- 3
x
+ 2.
A.
4
x
2
- 12
x
+ 8
B.
x
2
- 12
x
+ 2
C.
16
x
2
- 12
x
+ 2
D.
4
x
2
- 3
x
+ 2
Hint
3.
Find 2
p(a)
+
p
(
a
- 1) if
p
(
x
) =
x
2
+
x
.
A.
3
a
2
B.
3
a
2
+ 3
a
C.
3
a
2
-
a
D.
3
a
2
+
a
Hint
4.
If a graph represents an odd-degree polynomial function, what must be true?
A.
As
,
B.
It must have at least three roots.
C.
It may not have any real roots.
D.
It must pass through the
x
-axis.
Hint
5.
Which of the following is a polynomial in one variable?
A.
B.
C.
D.
Hint