1.
Approximate the real zero of
f
(
x
) =
x
3
+
x
+ 1 to the nearest tenth.
A.
-0.7
B.
-1.3
C.
-1.0
D.
0.3
Hint
2.
Approximate the real zero of
g
(
x
) =
x
5
-
x
2
- 1 to the nearest tenth.
A.
1.0
B.
1.1
C.
0.9
D.
1.2
Hint
3.
Approximate the real zero of
h
(
x
) = 2
x
4
- 3
x
2
+
x
+ 1 to the nearest tenth.
A.
1.6
B.
-0.3
C.
-1.5, 0.9
D.
-1.3, -0.5
Hint
4.
Which graph best represents the function
?
A.
B.
C.
D.
Hint
5.
Graph
. Then estimate the coordinates at which the relative maxima and relative minima occur.
A.
minimum: –3,maximum: 1
B.
minimum: 1,maximum: –5
C.
minimum: –5,maximum: 1
D.
minimum: 1, maximum: –3
Hint