Solve the problem. 3) Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = x 2 - 30x + 500, where x is the number of watches repaired. How many watches should he repair to produce the lowest cost?

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
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
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Solve the problem.
3) Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = x 2 - 30x + 500,
where x is the number of watches repaired. How many watches should he repair to produce the lowest cost?
Transcribed Image Text:Solve the problem. 3) Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = x 2 - 30x + 500, where x is the number of watches repaired. How many watches should he repair to produce the lowest cost?
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