Wheater, Carolyn C.,  1951- <br/><br/>
Easy pre-calculus step-by-step / 
Wheater, Carolyn 
 - Dubuque, Iowa :  McGraw-Hill Contemporary Learning,  2012 
 - x, 322 p. :  ill. ;  23 cm. 
<br/><br/> "Master high-frequency concepts and skills for precalc proficiency -- fast!" 
<br/><br/><label>ISBN: </label>9780071767675 (pbk.) 0071767673 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus<br/>Calculus--Problems, exercises, etc.