Barnett, Raymond A. <br/><br/>
Precalculus :  a graphing approach / 
Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen 
 - Boston :  McGraw-Hill,  2000 
 - xxxii, 839 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070057176 
<br/><br/><label>LCCN: </label>99-049637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions<br/>Algebra-Graphic methods