Answer
$f(x) = -2x + 3$
Work Step by Step
f(x) = ax + b
a is the slope.
Given that the rate of change is -2 and the initial value is 3, we know that a = -2, and b (the y-intercept) is 3 (since the initial value is at x=0)
Thus $f(x) = -2x + 3$
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 - Review - Exercises - Page 233: 61
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