## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Chapter 4 - 4.2 - Graphs of Rational Functions - 4.2 Exercises - Page 324: 67

#### Answer

(a) According to the graph, when $x=-1$, $y=0$. The x-intercept is: $(-1,0)$ (b) Algebraically $y=0$ when $x=-1$ The x-intercept is: $(-1,0)$

#### Work Step by Step

$y=\frac{x+1}{x-3}$ $0=\frac{x+1}{x-3}$ $x+1=0$ $x=-1$

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