Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 10 - Compositions, Inverses, and Combinations of Functions - Strengthen Your Understanding - Page 430: 14



Work Step by Step

When the equation for circumference (found with respect to r), is plugged into the equation, the $2$ in the denominator should be squared. Thus, it should actually be: $$ A=\frac{C^2}{4\pi}$$
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