1.
Approximate the real zero of
f
(
x
) =
x
3
+
x
+ 1 to the nearest tenth.
A.
0.3
B.
-1.0
C.
-0.7
D.
-1.3
Hint
2.
Approximate the real zero of
g
(
x
) =
x
5
-
x
2
- 1 to the nearest tenth.
A.
1.1
B.
0.9
C.
1.2
D.
1.0
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.
-1.3, -0.5
D.
-1.5, 0.9
Hint
4.
Graph
f
(x) =
x
3
- 4
x
2
+ 2
x
– 3.
A.
B.
C.
D.
Hint
5.
Find consecutive values of
x
between which each real zero of the function
is located.
A.
–3 and –4
B.
no solution
C.
–5 and –4
D.
3 and 4
Hint