Answer
a) $\frac{1-a}{a}$
b) $-\frac{1}{a}$
Work Step by Step
a) $g(a)-g(1)=\frac{1}{a}-1=\frac{1-a}{a}$
b) $\frac{\frac{1-a}{a}}{a-1}=-\frac{1}{a}$
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 2.4 - Average Rate of Change of a Function - 2.4 Exercises - Page 188: 21
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