#### Answer

$a_1=-3$
$a_2=-12$
$a_3=-72$
$a_4=-576$

#### Work Step by Step

$a_1=-3$
$a_2=4\times a_1=4\times -3=-12$
$a_3=6\times a_2=6\times -12=-72$
$a_4=8\times a_3=8\times -72=-576$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$a_1=-3$
$a_2=-12$
$a_3=-72$
$a_4=-576$

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