SWOKOWSKI, E.W. <br/><br/>
Precalculus: Function and Graphs 

 - 5th Ed. 
 - Boston,  Prindle, Weber & Schmidt  1987 
 - ix,581p.: ill.; figures,  Index,  24cm. 
<br/><br/><label>ISBN: </label>0-87150-060-4 
<br/><br/><label>Dewey Class. No.: </label>LM 512.1 SWO