Horner, Donald R. <br/><br/>
Precalculus :  elementary functions and relations / 
Donald R. Horner. 
 - New York :  Holt, Rinehart and Winston,  1969. 
 - xiv, 398 p. :  ill. (part col.) 
<br/><br/><label>ISBN: </label>0030744806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.