Swokowski, Earl W. <br/><br/>
Precalculus :  functions and graphs. 

 - xvii, 787 p. :ill. col.  25cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-1-305-66309-1 
<br/><br/><label>Dewey Class. No.: </label>515 Sw979 2017