Barnett Raymond A. <br/><br/>
Precalculus : Functions and Graphs 

 - 3rd 
 - New York  McGraw- Hill  1993 
 - 826p. 
<br/><br/><label>ISBN: </label>00700496140 
<br/><br/><label>Dewey Class. No.: </label>512.1/BAR