Study guide to accompany precalculus functions and graphs. 
Munem, M.A, Tschirhart. W.P et al. 
 - New york,  Worth publishers.  1985. 
 - 414p. 
<br/><br/><label>ISBN: </label>0-87901-259-5 
<br/><br/><label>LC Class. No.: </label>QA 392   / .M86 1985