Demana, Franklin <br/><br/>
Precalculus :  Graphical, Numerical, Algebraic / 
by Franklin Demana ...[ etal.] 
 - \\  6th ed. 
 - Boston :  Pearson Addison wesley ,  2004 
 - xx,1023p. : ill. 
<br/><br/> Includes index 
<br/><br/>Includes Bibliographical references 
<br/><br/><label>ISBN: </label>321131967 
<br/><br/><label>LC Class. No.: </label>QA 154.3