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: 14

Answer

$f(10)=677$ $f(-3)=66$

Work Step by Step

$f(x)=7x^{2}-2x-3$ $f(10)=7(10)^{2}-2(10)-3$ $f(10)=7(100)-(20)-3$ $f(10)=700-20-3$ $f(10)=677$ $f(-3)=7(-3)^{2}-2(-3)-3$ $f(-3)=7(9)+6-3$ $f(-3)=63+3$ $f(-3)=66$
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