Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Section 8.6 - Further Graphing of Quadratic Functions - Exercise Set - Page 527: 88a

Answer

185.31 million metric tons

Work Step by Step

$f(x)=-0.072x^2+1.93x+173.9$ $2018-2000=18$ $f(x)=-0.072x^2+1.93x+173.9$ $f(18)=-0.072*18^2+1.93*18+173.9$ $f(18)=-0.072*324+34.74+173.9$ $f(18)=-23.328+208.64$ $f(18)=185.312$ $f(18)=185.31$
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