## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 1 - Mid-Chapter Check Point: 7

#### 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 $x$.

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