Answer
{x:|x-7|<3}
Work Step by Step
Mid-point a=$\frac{1}{2}(x+y)=\frac{1}{2}(4+10)=7$
Radius c= $\frac{1}{2}(y-x)=\frac{1}{2}(10-4)=3$
Therefore, the set is
{x:|x-7|<3}
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 1 - Precalculus Review - Chapter Review Exercises - Page 36: 1
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