DEMANA, Franklin Waits, Bert K. <br/><br/>
Precalculus: functions and graphs / 
by Franklin Demana, Bert K. Waits 
 - Reading  Addison-Wesley  1990 
 - Various paging. 
<br/><br/><label>ISBN: </label>201527812 
<br/><br/><label>Dewey Class. No.: </label>512.1  / DEM