Precalculus :  function and graphs,  / 
Barnett, Raymond A. ; Ziegler, Michael R. ; Byleen, Karl E. 
 - 5th ed. 
 - New York :  McGraw-Hill Education,  2001. 
 - xxiv, v.p. ill. ; 25.3cm. 
<br/><br/>Includes: appendices 
<br/><br/><label>ISBN: </label>0071233733 
<br/><br/><label>Dewey Class. No.: </label>C 512.1 B26 2001