Davis, Mary Ellen. <br/><br/>
Elementary mathematical modeling :  functions and graphs / 
Mary Ellen Davis, C. Henry Edwards. 
 - Upper Saddle River, N.J. :  Prentice Hall,  2001. 
 - xiii, 385 p. :  ill. (some col.) ;  27 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0130962023  RM402.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.<br/>Algebra--Graphic methods.