Answer
This is a function
Work Step by Step
If you graph this equation it will show a downward parabola with an absolute maximum at (0,5). This graph passes the vertical line test so it is a function.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Mid-Chapter Check Point - Page 269: 7
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