Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 3 - Polynomial and Rational Functions - 3.5 Rational Functions: Graphs, Applications, and Models - 3.5 Exercises - Page 375: 47

Answer

(a) $\frac{2x-5}{x-3}$ (b) $ \frac{5}{2}$ (c) vertical asymptote $x=3$, horizontal asymptote $y=2$

Work Step by Step

(a) translating the graph of $y=\frac{1}{x}$ to the right 3 units and up 2 units will result an equation of $f(x)=\frac{1}{x-3}+2=\frac{2x-5}{x-3}$ (b) The zero(s) of $f(x)$ can be found by letting $f(x)=0$ which gives $x=\frac{5}{2}$ (c) We can identify a vertical asymptote $x=3$ and a horizontal asymptote $y=2$
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