Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-7 Graphing Rational Functions - Practice and Problem-Solving Exercises - Page 700: 45

Answer

See graph below

Work Step by Step

The given equation cannot have a denominator equal to zero. Therefore, its graph has a vertical asymptote at $$\begin{aligned} x-1&=0 \\ x&=1 .\end{aligned} $$ Dividing each term of the right-hand expression by the highest exponent of $x$, then $$\begin{aligned} y&=\frac{\frac{x}{x}}{\frac{x}{x}-\frac{1}{x}} \\&= \frac{1}{1-0} &\left(\frac{1}{x}=0\text{ for large values of }x\right) \\&= 1 .\end{aligned} $$Hence, the given equation has a horizontal asymptote of $y=1$ Using the asymptotes above and a table of values, the graph of the given equation is shown below.
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