Dugopolski, Mark. <br/><br/>
Precalculus :  functions & graphs / 
Mark Dugopolski 
 - 4th ed. 
 - Boston :  Pearson,  2013 
 - xxi,867,49,18p. :  ill. (some col.) ;  29 cm. 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>9780321789433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precalculus--Textbooks.<br/>Precalculus--Graphic methods--Textbooks<br/>Functions--Textbooks