Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.4 - Rational Expressions - 1.4 Exercises - Page 44: 98

Answer

a) The average cost per shirt is given by the rational expression as the expression is adaptable to greater or lesser numbers of shirts needing to be produced. The greater the shirts, the cheaper the production costs, except when the shirt production becomes dramatically greater. b)$56.10,31.20,16.50,12.00,10.50,12.00,16.50$

Work Step by Step

a)When trying to find the average cost of something, you take the amount of dollars needed and divide by the number you plan on producing, thus the average cost CAN be found. b) Simply plug in the given x for x in the expression, and you will find your answer for each value.
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