Explain why the dots in Figure 23 lie on a parabola. Where are the focus and directrix

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Explain why the dots in Figure 23 lie on a parabola. Where are the focus and directrix located?

- y = 3c - y = 2c -y=c - y = -c X

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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