Answer
$P(x) =-x^2+21x-50$
Work Step by Step
Profit is unknown
Cost: $C(x) = 50 +x^2+4x$
Revenue: $R(x) = 25x$
$P(x) = R(x)-C(x)$
$P(x)= 25x-(50+x^2+4x)$
$P(x) = 25x-50-x^2-4x$
$P(x) =-x^2+21x-50$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.1 - The Algebra of Functions; Composite Functions - Exercise Set - Page 541: 54
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