Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter P - P.3 - Functions and Their Graphs - Exercises - Page 29: 91

Answer

25

Work Step by Step

This function is the one for the upper part of a circle, knowing this the radius is always squared $$r^2=c$$ If you were given the full circle the center would be (0,0) and the radius would be 5 units long, if you require the domain to be [-5,5], if you square the radius you get 25 $$c=5^2=25$$
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