Answer
One-to-one
Work Step by Step
$f(x)=6-2x$
The graph maps one $x$ value to one $y$ value, so the graph is one-to-one.
$y=6-2x$
$x=6-2y$
$x-6=6-2y-6$
$x-6=-2y$
$(x-6)/-2 = -2y/-2$
$(x-6)/-2 = y$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Test - Page 599: 9
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