6. Fill in the blank with "all", "no", or "some" to make the following statements true. Note that "some" means one or more instances, but not all. • If your answer is "all", then give a brief explanation as to why. • If your answer is "no", then give an example and a brief explanation as to why. • If your answer is "some", then give two specific examples that illustrate why your answer it not "all" or "no". Be sure to explain your two examples. An example must include either a graph or a specific function. (a) For (a, b). functions f, if f"(x) > 0 on the interval (a, b), then f'(x) <0 on the interval (b) For (c) For f(x) at exactly one point. functions f, if f(x) is a polynomial, then it is differentiable for all x. functions f, the tangent line to f(x) at a = a will intersect the graph of

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ISBN:9780470458365
Author:Erwin Kreyszig
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6. Fill in the blank with "all", "no", or “some" to make the following statements true. Note
that "some" means one or more instances, but not all.
• If your answer is "all", then give a brief explanation as to why.
If your answer is "no", then give an example and a brief explanation as to why.
• If your answer is "some", then give two specific examples that illustrate why your answer
it not "all" or "no". Be sure to explain your two examples.
An example must include either a graph or a specific function.
(a) For
(a, b).
functions f, if f"(x) > 0 on the interval (a, b), then f'(x) < 0 on the interval
(b) For
functions f, if f(x) is a polynomial, then it is differentiable for all x.
(c) For
f(x) at exactly one point.
functions f, the tangent line to f(x) at x = a will intersect the graph of
In mathematics, we consider a statement to be false if we can find any examples where
the statement is not true. We refer to these examples as counterexamples. Note that a
counterexample is an example for which the "if" part of the statement is true, but the "then"
part of the statement is false.
72 pages
20
étv
MacBook Pro
@
23
$
&
2
3
4
7
8.
W
E
R
T
Y
P
D
K
Transcribed Image Text:6. Fill in the blank with "all", "no", or “some" to make the following statements true. Note that "some" means one or more instances, but not all. • If your answer is "all", then give a brief explanation as to why. If your answer is "no", then give an example and a brief explanation as to why. • If your answer is "some", then give two specific examples that illustrate why your answer it not "all" or "no". Be sure to explain your two examples. An example must include either a graph or a specific function. (a) For (a, b). functions f, if f"(x) > 0 on the interval (a, b), then f'(x) < 0 on the interval (b) For functions f, if f(x) is a polynomial, then it is differentiable for all x. (c) For f(x) at exactly one point. functions f, the tangent line to f(x) at x = a will intersect the graph of In mathematics, we consider a statement to be false if we can find any examples where the statement is not true. We refer to these examples as counterexamples. Note that a counterexample is an example for which the "if" part of the statement is true, but the "then" part of the statement is false. 72 pages 20 étv MacBook Pro @ 23 $ & 2 3 4 7 8. W E R T Y P D K
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