Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 4 - Polynomial and Rational Functions - 4.4 Polynomial and Rational Inequalities - 4.4 Assess Your Understanding - Page 220: 75


At least $250$.

Work Step by Step

The equation according to the question, because the average daily cost must be not greater than $100$: $\overline{C}(x)\leq100\\\frac{80x+5000}{x}\leq100\\80x+5000\leq100x\\5000<20x\\250\leq x$ Hence at least $250$ bicycles must be produced.
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