Answer
-2
Work Step by Step
Since we cannot divide by zero, the excluded value will be the value that makes the denominator zero.
For $f(x) = \frac{x}{x+2}$, then
$x \ne -2$
The x in the numerator does not affect excluded values.
Algebra 1
by Hall, Prentice
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 698: 10
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