Hardy, F. Lane <br/><br/>
Essentials of precalculus mathematics / 
F. Lane Hardy 
 - Columbus, Ohio :  Charles E. Merril,  1972 
 - vi, 313 p. : ill. ;  24 cm. 
 - Merril mathematics series .
<br/><br/><label>ISBN: </label>0675091764 
<br/><br/><label>LCCN: </label>73-170159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Calculus