Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 1 - Functions and Their Graphs - Section 1.1 Functions - 1.1 Assess Your Understanding - Page 56: 101


$H(x) = P(x) \cdot I(x)$

Work Step by Step

Since the percentage of income spent on healthcare (P($x$)) times the income (I($x$)) would give the total expenditure on healthcare (H($x$)), H($x$) can be expressed by the product of $P(x)$ and $I(x)$.: $H(x) = P(x) \cdot I(x)$
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