Barnett, Raymond A. <br/><br/>
Precalculus 
Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen and Dave Sobecki 
 - 7th ed. 
 - New York:  McGraw-Hill,  2011. 
 - xxx, 820p. 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9780073519517 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precalculus
<br/><br/><label>Dewey Class. No.: </label>512.1  / PRE