Answer
Net change is -10
Work Step by Step
$f(x)=4-5x$
$f(3)=4-5(3) = 4-15 = -11$
$f(5)=4-5(5) = 4-25 = -21$
$f(5)-f(3) = (-21) - (-11) = -10$
net change decreased by 10
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 2 - Section 2.1 - Functions - Exercises - Page 157: 40
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