Precalculus / 
Raymond A. Barnett ... [et al.]. 
 - 7th ed. 
 - Dubuque, IA :  McGraw-Hill,  2011. 
 - xxx, 820, [91] p. :  col. ill. ;  29 cm. 
 - Barnett, Ziegler & Byleen's precalculus series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780073519517 (hbk.)  RM498.55 0073519510 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions--Textbooks.<br/>Algebra--Graphic methods--Textbooks.