Barnett, Raymond A. <br/><br/>
Precalculus:  functions and graphs / 
Raymond A. Barnett, Michael R. Ziegler, Karl E. Btleen 
 - 5th ed. 
<br/><br/> College of Engineering and Computer Studies  Bachelor of Science in Civil Engineering 
<br/><br/><label>ISBN: </label>0-07-236871-3 
<br/><br/><label>Dewey Class. No.: </label>512.1 B93