A simple curve that often makes a good model for the variable cost of a company, as a function of the sales level x, has the form y=p,x+B₂x²+₂x³. There is noconstant term because fixed costs are not included. Complete parts (a) through (c).P₁B₂BC0y=5516086 x + (-03699737)+(00115405):(Do not round until the final answer. Then round to six decimal places as needed.)B3B₁Pa(=b. Find the least-squares curve of the form above to fit the data (3,1.57), (5,2.03), (7,2.1), (9,2.8), (11,3.3), (13,3.5), (15,3.8), and (17.4.34), where x and y representsales and costs in thousands. Produce a graph that shows the data points and the graph of the cubic approximation.

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Answered: A simple curve that often makes a good…

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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