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 - 1.2 Activities - Page 20: 7

Answer

$a)$ By observation of the graph, N is increasing for all values of t. $b)$ The concanity of the graph changes at $t\approx4.7$. The graph is concave up for $0\leq t< 4.7$ and is concave down for the rest of the values of t.

Work Step by Step

Direct answer by observation only
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