Consider f, a function such as f(2) = 1, f'(2) = 2, f''(2) = 3 and f'''(2) = 4 and that verifies: -3 <  f(x) < 34 0 <  f'(x) < 12 -8 < f''(x) < 9 -6 < f'''(x) < 5    for all x ∈ [0,4].  Find the second degree Taylor polynomial, T2(x), of f at a = 2, then use T2(x) to approximate f(1) and determine a bound on the approximation error. Give a bound on the approximation error f(x) ≈ T2(x) that is valid for all x in the interval [0,4].

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter3: The Derivative
Section3.4: Definition Of The Derivative
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Consider f, a function such as f(2) = 1, f'(2) = 2, f''(2) = 3 and f'''(2) = 4 and that verifies:

-3 <  f(x) < 34

0 <  f'(x) < 12

-8 < f''(x) < 9

-6 < f'''(x) < 5    for all x ∈ [0,4]. 


Find the second degree Taylor polynomial, T2(x), of f at a = 2, then use T2(x) to approximate f(1) and determine a bound on the approximation error.

Give a bound on the approximation error f(x) ≈ T2(x) that is valid for all x in the interval [0,4]. 

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I was able to find T2(x) = 1 + 2(x-2) + 3/2(x-2)2  and the approximation f(1) ≈ 1/2, but I don't understand how to find the approximation error bounds? Are we supposed to use Taylor's inequality definition? 

33.) Soit f une fonction telle que f(2) = 1, f'(2)= 2, f"(2)=3
et f"(2)= 4, et qui vérifie
–3< f(x)<34 0<f'(x)<12
-8< f"(x)<9_ -6< f(x)<5
lexpression
pour tout x E [0, 4].
Transcribed Image Text:33.) Soit f une fonction telle que f(2) = 1, f'(2)= 2, f"(2)=3 et f"(2)= 4, et qui vérifie –3< f(x)<34 0<f'(x)<12 -8< f"(x)<9_ -6< f(x)<5 lexpression pour tout x E [0, 4].
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