Answer
The expression is undefined if $x=-\frac{1}{3}$
Work Step by Step
A fraction is undefined, if the denominator equals to zero.
Here:
$3x+1=0$
$3x=-1$
$x=-\frac{1}{3}$
The expression is undefined if $x=-\frac{1}{3}$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter R - Elementary Algebra Review - R.6 Rational Expressions and Equations - R.6 Exercise Set - Page 980: 1
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