Answer
$
\lim _{t \rightarrow-\infty} 5 e^{0.07 t}=0
$
Work Step by Step
The function $ e^{0.07 t}$, approaches zero as $t$ takes on larger negative numbers. Therefore:
$$
\lim _{t \rightarrow-\infty} 5 e^{0.07 t}=0
$$
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