Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.6 - Function Notation and Linear Functions - 2.6 Exercises: 80



Work Step by Step

$\bf{\text{Solution Outline:}}$ To find the function notation of the given equation, $ 2y=-3x+7 ,$ solve first for $y.$ Then use $y=f(x).$ $\bf{\text{Solution Details:}}$ Using the properties of equality, the given equation is equivalent to \begin{array}{l}\require{cancel} 2y=-3x+7 \\\\ \dfrac{2y}{2}=\dfrac{-3x}{2}+\dfrac{7}{2} \\\\ y=-\dfrac{3}{2}x+\dfrac{7}{2} .\end{array} Using $y=f(x),$ the function notation of the equation above is $ f(x)=-\dfrac{3}{2}x+\dfrac{7}{2} .$
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