Answer
does not make sense
Work Step by Step
This statement does not make sense because by letting $x=t^2$, we are restricting $x$ values to be positive, while the domain of the original equation is $(-\infty, \infty)$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 9 - Section 9.5 - Parametric Equations - Exercise Set - Page 1021: 88
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