Contemporary Precalculus : a grahping approach / 
Hungerford,Thomas W. 
 - 3rd ed. 
 - Philadelphia :  Saunders College publishing ,  c2000 
 - xxvii,880pages :  ill. ;  26cm. 
<br/><br/><label>ISBN: </label>9 780030 255380 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>515 HUN