Marshall, A. Robert. <br/><br/>
Precalculus :  functions and graphs / 
A. Robert Marshall. 
 - Reading, Mass. :  Addison-Wesley Pub.,  1991. 
 - xii, 619 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201190958 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.<br/>Algebra--Graphic methods.<br/>Trigonometry.