Swokowski, Earl William,  1926- <br/><br/>
Precalculus :  functions and graphs / 
Earl W. Swokowski, Jeffery A. Cole, Anoka-Ramsey Community College. 
 - Twelfth edition. Enhanced edition. 
 - USA,  Cengage Learning,  2017. 
 - xvii, 787, APP8, A96 .  illustrations (chiefly color) ;  26 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781305663091 (bookonly) 1305663098 (paperback) 9781305945029 (package) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.<br/>Algebra--Graphic methods.<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>515  / SWO/P