#### Answer

$t=0$

#### Work Step by Step

A rational function is undefined whenever the denominator equals 0, so we can create the equation $-5t$ = 0. We can easily see that the value that makes this true is t = 0.

Published by
Pearson

ISBN 10:
0-32184-874-8

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

$t=0$

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