College Algebra and Trigonometry /  
Dugopolski, Mark. 
 - 2nd ed. 
 - Massachusetts :   Addison-Wesley  1999 
 - xxi ,893 p. ;  ill ,col.  24 cm 
<br/><br/><label>ISBN: </label>0201347121 
<br/><br/><label>LC Class. No.: </label>QA154.2  / .D83  1999