Answer
$y=-\frac{3}{2}x+7$
Work Step by Step
With the given two points, we have $m=\frac{-5-1}{8-4}=-\frac{3}{2}$. Use the 1st point, we have $y-1=-\frac{3}{2}(x-4)$ or $y=-\frac{3}{2}x+7$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 5 - Exponential and Logarithmic Functions - 5.8 Exponential Growth and Decay Models; Newton's Law; Logistic Growth and Decay Models - 5.8 Assess Your Understanding - Page 334: 30
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