Answer
$$xy + \pi x^2 $$
Work Step by Step
We know the following equation for the area of the shaded region:
$$ b\cdot h + \pi r^2 \\ \text{Thus, we find:}\\ xy + \pi x^2 $$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - 4.7 Polynomials in Several Variables - 4.7 Exercise Set - Page 285: 94
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