Sprecher, David A.,  1930-. <br/><br/>
Precalculus mathematics :  an elementary functions approach / 
David A. Sprecher. 
 - New York :  Harper & Row,  1974. 
 - x, 363 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0060463945 
<br/><br/><label>LCCN: </label>73-08369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions