CALCULUS Understanding Its Concepts and Methods

Variable, Dependent variable, Independent variable

Letters that appear in formulas and equations are called variables if they can take on different values.

In the equation
,
the variable
*V*
is called the dependent variable because its
value depends on the choice of the variable
*r*.

The variable
*r*
is called the independent
variable* *because it can be chosen arbitrarily.

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Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.