#### Answer

$(-\infty, -0.4)$

#### Work Step by Step

The set {$x | x\lt-0.4 $} written in interval notation is $(-\infty, -0.4)$.

Published by
Pearson

ISBN 10:
0321785045

ISBN 13:
978-0-32178-504-6

$(-\infty, -0.4)$

The set {$x | x\lt-0.4 $} written in interval notation is $(-\infty, -0.4)$.

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