6) Let P4(x) = 7 – 3(x – 4) + 5(x – 4)² – 2(x – 4)³ + 6(x – 4)* be the Taylor polynomial of degree 4 for the function f(x) centered around x = 4. It is known that |f(5)(x)| < 24 for all x in the interval [4, 4. 3] a) Find the values of f(4) and f''(4).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.4: Zeros Of A Polynomial
Problem 19E
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6) Let P4(x) = 7 – 3(x – 4) + 5(x – 4)² – 2(x – 4)3 + 6(x – 4)+ be the Taylor polynomial of
degree 4 for the function f(x) centered around x = 4. It is known that |f(5) (x)| < 24 for all x in
the interval [4, 4. 3]
a) Find the values of f(4) and f'''(4).
b) Approximate f(4.3) using the 4th degree Taylor polynomial given above. What is the
maximum possible error in making this estimate? Give FOUR decimal place accuracy for both
the approximate value and the error bound.
c) Use your answer to part b) to find an interval [a, b] such that a < f(4.3) < b. Give
FOUR decimal place accuracy in all number values.
Transcribed Image Text:6) Let P4(x) = 7 – 3(x – 4) + 5(x – 4)² – 2(x – 4)3 + 6(x – 4)+ be the Taylor polynomial of degree 4 for the function f(x) centered around x = 4. It is known that |f(5) (x)| < 24 for all x in the interval [4, 4. 3] a) Find the values of f(4) and f'''(4). b) Approximate f(4.3) using the 4th degree Taylor polynomial given above. What is the maximum possible error in making this estimate? Give FOUR decimal place accuracy for both the approximate value and the error bound. c) Use your answer to part b) to find an interval [a, b] such that a < f(4.3) < b. Give FOUR decimal place accuracy in all number values.
7) Let f be the function defined by f(x) =
1+x
a) Write the first four terms and the general term of the Maclaurin series for f(x)
centered at x = 0.
b) Find the interval of convergence for the Maclaurin series for f(x).
c) Use the result from part a) to find the first four terms and the general term of the
series for g(x) = In |1 + x| centered at x = 0.
[HINT: How can you get to In |1+x| from ?]
1+x
d) Find the interval of convergence for the series you created in part c).
Transcribed Image Text:7) Let f be the function defined by f(x) = 1+x a) Write the first four terms and the general term of the Maclaurin series for f(x) centered at x = 0. b) Find the interval of convergence for the Maclaurin series for f(x). c) Use the result from part a) to find the first four terms and the general term of the series for g(x) = In |1 + x| centered at x = 0. [HINT: How can you get to In |1+x| from ?] 1+x d) Find the interval of convergence for the series you created in part c).
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