Larson, Roland Edwin. <br/><br/>
Precalculus / 
Ron Larson. 
 - 7th Ed. 
 - Boston, MA :  Brooks Cole, Cengage Learning,  2007. 
 - xi, 860 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781133949022 (annotated instructor's edition) 9781133949015 (student edition) 9780495832270 9781133949039 (high schoold edition) 
<br/><br/><label>LCCN: </label>2012948313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precalculus
<br/><br/><label>LC Class. No.: </label>QA303  / LAR 2007