Keedy, Mervin Laverne. <br/><br/>
Algebra and trigonometry :  a functions aproach / 
Mervin L. Keedy, Marvin L. Bittinger. 
 - 2nd ed. 
 - Reading, Mass. :  Addison-Wesley Pub. Co.,  c1978. 
 - xvi, 652, 59, 4 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201038706 
<br/><br/><label>LCCN: </label>77079461 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA154.2  QA154.2  / .K43 1978  / .K43 
<br/><br/><label>Dewey Class. No.: </label>512/.13