Answer
False
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:
$$ A=\frac{C^2}{4\pi}$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
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
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