Larson, Roland E <br/><br/>
Precalculus / 
Roland E. Larson and Robert P. Hostetler. 
 - 3rd ed. 
 - Lexington :  D. C. Heath and Co.,  c1993. 
 - xxxi, 812, [110] p. :  ill. (some col.);  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>066928310x (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.