#### Answer

$x=-9,5$ must be excluded from domain

#### Work Step by Step

The denominator can't equal zero.
$x^2 + 4x - 45=0$
$(x+9)(x-5)=0$
$x=-9,5$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$x=-9,5$ must be excluded from domain

The denominator can't equal zero.
$x^2 + 4x - 45=0$
$(x+9)(x-5)=0$
$x=-9,5$

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