#### Answer

$y$ is a function of $x$

#### Work Step by Step

Solve for $y$ in terms of $x$ to obtain:
$y=-x^2+5$
Note that each value of $x$ will give only one value of $y$.
Thus, the given equation represents $y$ as a function of $x$.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$y$ is a function of $x$

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