College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Appendix I - A Symbols, Arithmetic Operations, Exponents, and Scientific Notation - Commonly Used Symbols in Relationships - Appendix I-A Exercises on Symbol Usage - Page A-1: 5

Answer

The value of y is increased by a multiplicative factor of 4.

Work Step by Step

Let, $y=kx^{2}$ where k is a constant. So, if x is doubled, y increases $2^{2}=4$ times.
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