College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.2 - One-to-One Functions; Inverse Functions - 6.2 Assess Your Understanding - Page 423: 110

Answer

$x=-\frac{3}{2}$ is Vertical Asymptote $y=3$ is the Horizontal Asymptote

Work Step by Step

$R(x)=\frac{6x^2-11x-2}{2x^2-x-6}$ $n=2, m=2$. $n$ being the leading coefficient of the numerator and $m$ being the leading coefficient of the denominator. The leading coefficient of the numerator and that of denominator is equal. $n=m,$ Thus, $y=\frac{6}{2}=3$ is the Horizontal Asymptote Factorizing the denominator, $2x^2-x-6,$ $=2x^2-4x+3x-6,$ $=2x(x-2)+3(x-2),$ $=(2x+3)(x-2),$ Therefore, $R(x)=\frac{6x^2-11x-2}{(2x+3)(x-2)}=\frac{(x-2)(6x+1)}{(2x+3)(x-2)}=\frac{6x+1}{2x+3}$. $x=-\frac{3}{2}$ is Vertical Asymptote
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