1.
Approximate the real zero of
g
(
x
) =
x
5
-
x
2
- 1 to the nearest tenth.
A.
1.0
B.
0.9
C.
1.2
D.
1.1
Hint
2.
Approximate the real zero of
h
(
x
) = 2
x
4
- 3
x
2
+
x
+ 1 to the nearest tenth.
A.
-1.3, -0.5
B.
1.6
C.
-0.3
D.
-1.5, 0.9
Hint
3.
Graph
f
(x) =
x
3
- 4
x
2
+ 2
x
– 3.
A.
B.
C.
D.
Hint
4.
What is the maximum number of turning points of a polynomial of degree 6?
A.
5
B.
7
C.
6
D.
cannot be determined from given information.
Hint
5.
Graph
. Then estimate the coordinates at which the relative maxima and relative minima occur.
A.
minimum: 1,maximum: –5
B.
minimum: –3,maximum: 1
C.
minimum: –5,maximum: 1
D.
minimum: 1, maximum: –3
Hint