P(x)= -x+ 12x-36x+400, x23 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize pro

P(x)= -x+ 12x-36x+400, x23 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize pro

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter5: Factoring Polynomials

Section5.13: Using Factoring To Solve Problems

Problem 30P

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Question

Solve the problem. Round to the nearest whole number where necessary.
P(x) = -x° + 12x - 36x+ 400, x23 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands
tires that must be sold to maximize profit.
O A. 7 hundred thousand
O B. 6 hundred thousand
O C. 3 hundred thousand
O D. 2 hundred thousand

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