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: 6

Answer

a. graphical b. Input Description: years since 2000 Input Units: years Output Description: iPod sales in thousands Output Units: none c. function d. x ↓ Rule f ↓ f(x) (years)

Work Step by Step

a. The representation is graphic because the question provides a graph of the data. b. The input is years and the output is iPod sales. Because if you input the year you will get the number of sales of iPods. The input units are years because that is the way of measuring it. The output is none because it is just iPods it is nut a unit. c. The relation is a function because every year has only one number for sales. d. Draw an input/output diagram of the data.
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