CALCULUS Understanding Its Concepts and Methods
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The graph of a function f is the set of all points (x,y) such that y = f(x).
The graph of a function f of two variables is the set of all points (x,y,z) such that z = f(x,y).
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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.