Davis, Mary Ellen <br/><br/>
Elementary mathematical modeling :  functions and graphs / 
Mary Ellen Davis, C. Henry Edwards 
 - 2nd ed. 
 - Upper Saddle River, New Jersey. :  Prentice Hall,  2006 
 - xiii, 395 p. :  ill. (some col.) ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0136154166  RM389.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions<br/>Algebra--Graphic methods