Swokowski, Earl William,  1926- <br/><br/>
Precalculus :  functions and graphs / 
Earl W. Swokowski, Jeffery A. Cole. 
 - 7th ed. 
 - Boston :  PWS Publishing,  c1994. 
 - xxi, 749 p. :  ill. (some col.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534937020 
<br/><br/><label>LCCN: </label>93028896  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.<br/>Algebra--Graphic methods.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA331.3  / .S95 1994 
<br/><br/><label>Dewey Class. No.: </label>515.1 SWO