Answer
$f(a+b)=-3a-3b+4$
Work Step by Step
$f(x)=-3x+4$
Substitute $x$ with $(a+b)$
$f(a+b)=-3(a+b)+4=-3a-3b+4$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 1 - Section 1.1 - Functions from the Numerical, Algebraic, and Graphical Viewpoints - Exercises - Page 52: 14e
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