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

 - Boston  PWS-KENT Publishing Company  c1990. 
 - 676 p. 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-534-92086-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Graphic mathods.<br/>Functions.<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>Cir 512.1 Sw72 1990