For Exercises 41-42, a table of values is given for Y 1 = f x . Determine whether the intermediate value theorem guarantees that the function has a zero on the given interval. Y 1 = 10 x 4 + 21 x 3 − 119 x 2 − 147 x + 343 a . − 4 , − 3 b . − 3 , − 2 c . − 2 , − 1 d . − 1 , 0
For Exercises 41-42, a table of values is given for Y 1 = f x . Determine whether the intermediate value theorem guarantees that the function has a zero on the given interval. Y 1 = 10 x 4 + 21 x 3 − 119 x 2 − 147 x + 343 a . − 4 , − 3 b . − 3 , − 2 c . − 2 , − 1 d . − 1 , 0
Solution Summary: The author analyzes whether the intermediate value theorem guarantees that the given function Y_1=10x4+21
For Exercises 41-42, a table of values is given for
Y
1
=
f
x
.
Determine whether the intermediate value theorem guarantees that the function has a zero on the given interval.
Y
1
=
10
x
4
+
21
x
3
−
119
x
2
−
147
x
+
343
a
.
−
4
,
−
3
b
.
−
3
,
−
2
c
.
−
2
,
−
1
d
.
−
1
,
0
The graph of f(x) is given below. Select each true statement about the continuity of f(x) at x = 3.
Select all that apply:
7
-6-
5
4
3
2
1-
-7-6-5-4-3-2-1 1 2 3 4 5 6 7
+1
-2·
3.
-4
-6-
f(x) is not continuous at a
=
3 because it is not defined at x = 3.
☐
f(x) is not continuous at a
=
- 3 because lim f(x) does not exist.
2-3
f(x) is not continuous at x = 3 because lim f(x) ‡ ƒ(3).
→3
O f(x) is continuous at a = 3.
Is the function f(x) continuous at x = 1?
(z)
6
5
4
3.
2
1
0
-10
-9
-7
-5
-2
-1 0
1
2
3
4
5
6
7
8
9
10
-1
-2
-3
-4
-5
-6
-7
Select the correct answer below:
○ The function f(x) is continuous at x = 1.
○ The right limit does not equal the left limit. Therefore, the function is not continuous.
○ The function f(x) is discontinuous at x = 1.
○ We cannot tell if the function is continuous or discontinuous.
Is the function f(x) shown in the graph below continuous at x = −5?
f(x)
7
6
5
4
2
1
0
-10
-9
-8 -7
-6
-5
-4
-3
-2
-1 0
1
2
3
4
5
6 7 8 9
10
-1
-2
-3
-4
-5
-6
-7
Select the correct answer below:
The function f(x) is continuous.
○ The right limit exists. Therefore, the function is continuous.
The left limit exists. Therefore, the function is continuous.
The function f(x) is discontinuous.
○ We cannot tell if the function is continuous or discontinuous.
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