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32. The first derivative of the function f is defined by f'(x) = (x+1)? cos(3*) for -2 <¥ < 2. On which of the following intervals is the graph of f concave down? (A) (-2,-1), (0.034, 1.111), and (1.688, 2) (B) (-2,0.411) and (1.411,1.876) (C) (-0.36,0.83) and (1.494, 2) (D) (0.411, 1.411) and (1.876, 2)

32. The first derivative of the function f is defined by f'(x) = (x+1)? cos(3*) for -2 <¥ < 2. On which of the following intervals is the graph of f concave down? (A) (-2,-1), (0.034, 1.111), and (1.688, 2) (B) (-2,0.411) and (1.411,1.876) (C) (-0.36,0.83) and (1.494, 2) (D) (0.411, 1.411) and (1.876, 2)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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32. The first derivative of the function f is defined by f'(x) = (x+1)² cos(3*) for -2 < < 2. On which of the following intervals is the graph off concave down? (A) (-2, –1), (0.034, 1.111), and (1.688, 2) (B) (-2,0.411) and (1.411, 1.876) (C) (-0.36,0.83) and (1.494, 2) (D) (0.411, 1.411) and (1.876, 2)
Transcribed Image Text:32. The first derivative of the function f is defined by f'(x) = (x+1)² cos(3*) for -2 < < 2. On which of the following intervals is the graph off concave down? (A) (-2, –1), (0.034, 1.111), and (1.688, 2) (B) (-2,0.411) and (1.411, 1.876) (C) (-0.36,0.83) and (1.494, 2) (D) (0.411, 1.411) and (1.876, 2)
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