Answer
In 2066, the area is unsafe for human habitation.
Work Step by Step
Plug in 80 for $x$ into function $f$.
$f(80)=1000(.5)^{\frac{80}{30}}\approx157.5\gt100$
In 2066, the area is unsafe for human habitation.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.1 - Page 453: 66
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