#### Answer

$u\ne-1,-2$

#### Work Step by Step

we need to check when $1+\frac{1}{u+1}=0$ and when $u+1=0$
so
$\frac{1}{u+1}=-1$
$1=-u-1$
$u=-2$
and
$u=-1$
So the domain of the function is $u\ne-1,-2$

Published by
Cengage

ISBN 10:
1285740629

ISBN 13:
978-1-28574-062-1

$u\ne-1,-2$

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