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