Answer
See below
Work Step by Step
Let $h$ be a downward opening parabola
Find t: $t=-\frac{b}{2a}=-\frac{30}{2(-16)}=\frac{15}{16}$
Then we have: $h=-16(\frac{15}{16})^2+30(\frac{15}{16})+6=\frac{321}{16} \approx20.0625\approx20.1$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - Standardized Test Practice - Extended Response - Page 327: 22a
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