Answer
$f(x)=-x+7
$
Work Step by Step
Using a graphing calculator, the graph of $
f(x)=-x+7
$ (Exercise $55$) is shown above.
Based on the graph, the equation of the line above passes through $
(1,6) \text{ and } (5,2).$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 3 - Section 3.5 - Equations of Lines - Exercise Set - Page 175: 99
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