Answered: Given f(x) = x3 + 5x2 + 2x - 8 a)…

Given f(x) = x3 + 5x2 + 2x - 8 a) Solve for f(x) > 0 and f(x) < 0 b) Sketch the Curve using information from a) c) Factor d) Make an inequality chart e) Conclusion for > 0 and < 0

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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A rectangular box of crackers has a volume, in cubic centimetres, that can be modelled by the function V(x) = x3 – 38x2 + 367x – 1050. a) Determine the dimensions of the box in terms of x. b) What are the dimensions of the box when x = 30 cm? c) Graph V(x) for the interval [0, 30] in the paper-pencil-ruler style.
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