#### Answer

$A= \frac{kx^{2}}{t^{3}}$

#### Work Step by Step

Since $A$ is directly proportional to the square of $x$ and inversely proportional to the cube of $t$, we have:
$A= \frac{kx^{2}}{t^{3}}$
(and $k$ is a constant.)

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$A= \frac{kx^{2}}{t^{3}}$

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