#### Answer

$a_n=2n+1$

#### Work Step by Step

If we look at the pattern:
$ 3, 5, 7, 9, ...$
$2(1)+1, 2(2)+1, 2(3)+1, 2(4)+1$
Hence, the nth term in the sequence is:
$a_n=2n+1$

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$a_n=2n+1$

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