1. (a) Draw the graphs of the functions x and x in the plane. Then find all integers n > 2 such that (0, 0) is an inflection point of the function f(x) = x". (b) The second derivative f" of ƒ is given by f"(x) = (x + 1)®x°(x – 2)^(x – 4)³ for all r. Find all a corresponding to inflection points of the graph of f. (c) A polynomial function g has degree 18 (like the degree of f" in part (b)). What is the maximum number of inflection points that the graph of g could possibly have? Explain your answer.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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1. (a) Draw the graphs of the functions x and x in the plane. Then find all integers n > 2 such that
(0, 0) is an inflection point of the function f(x) = x".
(x + 1)®x³(x – 2)ª(x – 4)³ for all x. Find all x
(b) The second derivative f" of f is given by f"(x)
corresponding to inflection points of the graph of f.
(c) A polynomial function g has degree 18 (like the degree of f" in part (b)). What is the maximum
number of inflection points that the graph of g could possibly have? Explain your answer.
(d) From (a) - (c) we see that just because g"(c) = 0 does not mean that (c, g(c)) is an inflection point.
What additional property must exist for (c, g(c)) to necessarily be an inflection point?
Transcribed Image Text:1. (a) Draw the graphs of the functions x and x in the plane. Then find all integers n > 2 such that (0, 0) is an inflection point of the function f(x) = x". (x + 1)®x³(x – 2)ª(x – 4)³ for all x. Find all x (b) The second derivative f" of f is given by f"(x) corresponding to inflection points of the graph of f. (c) A polynomial function g has degree 18 (like the degree of f" in part (b)). What is the maximum number of inflection points that the graph of g could possibly have? Explain your answer. (d) From (a) - (c) we see that just because g"(c) = 0 does not mean that (c, g(c)) is an inflection point. What additional property must exist for (c, g(c)) to necessarily be an inflection point?
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