Continuity of Functions True or False
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1.
Which of the following statements is true? ->
A bounded function on a closed interval [
a
,
b
] must be continuous.
True
False
2.
Let
. For which interval can we use the Boundedness Theorem to conclude that
f
must be bounded on that interval?
-> [1, 2]
True
False
3.
Which of the following graphs shows a function that is both bounded and discontinuous on [
a
,
b
]?
->
(a), (b), and (d)
True
False
4.
A continuous function on a closed interval [
a
,
b
]
-> must be bounded on that interval but need not attain a maximum value on that interval.
True
False
5.
What is the maximum value of
f
(
x
) = sin(
x
) on the interval [π, 2π)?
-> 0
True
False
6.
A continuous function on a closed interval [
a
,
b
]
-> may attain its maximum and minimum value an infinite number of times each.
True
False
7.
Let
. For which interval(s) can we use the Extreme Value Theorem to conclude that
f
must attain a maximum and minimum value on that interval?
-> neither [0, 1] nor [-1, 0]
True
False
8.
If
f
is continuous on [
a
,
b
] and
f
(
b
)<
M
<
f
(
a
) then the Intermediate Value Theorem tells us
how many values of
c
exist in (
a
,
b
) with
f
(
c
) =
M
.
True
False
9.
Let
. On which of the following intervals does the IVT guarantee the existence of a value
c
with
f
(
c
) = 0?
-> (-3, 0)
True
False
10.
Which of the following pictures best illustrates the IVT?
->
Picture (d)
True
False
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