College Algebra & Trigonometry :A graphing Approach / 
Demana,Franklin 
 - 2nd ed. 
 - Reading,Massachusetts :  Addision-Wesley Publishing Co.,  c1992 
 - xvi,637pages :  ill. som.col. ;  24cm. 
<br/><br/><label>ISBN: </label>9 780201 562941 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>512 DEM