Calculus Concepts: An Informal Approach to the Mathematics of Change 5th Edition

Published by Brooks Cole
ISBN 10: 1-43904-957-2
ISBN 13: 978-1-43904-957-0

Chapter 1 - Ingredients of Change: Functions and Limits - 1.1 Activities - Page 10: 13

Answer

$t(-11)=-638$ $t(4)=-68$

Work Step by Step

$t(x)=-5{(x)}^{2}+3x$ $t(-11)=-5{(-11)}^{2}+3(-11)$ $t(-11)=-5(121)-33$ $t(-11)=-605-33$ $t-11)=-638$ $t(4)=-5{(4)}^{2}+3(4)$ $t(4)=-5(16)+12$ $t(4)=-80+12$ $t(4)=-68$
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