Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 8 - Section 8.4 - Plane Curves and Parametric Equations - 8.4 Exercises - Page 617: 2

Answer

(a) True. (b) $(0,0)$, $(2,4)$. (c) $y=x^2$, $path$. See graph.

Work Step by Step

(a) True. For $y=x^2$, we can write the parametric functions as $x=t+k,y=(t+k)^2$ where $k$ can be any real value. (b) ... When t=0, the object is at $(0,0)$, and when t=1, the object is at $(2,4)$. (c) ... we get the equation $y=x^2$, ... move along the same $path$ (can also use: parabola, curve, ...). See graph.
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