Larson, Ron,  1941- <br/><br/>
Precalculus :  A graphing approach / 
R. Larson, R.P. Hostetler, B.H. Edwards. 
 - 3rd ed. 
 - Boston :  Houghton Mifflin,  2001. 
 - xxii, 834 + A185 p.  ill. (some col.) ;  26 cm. 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>0618052895 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions<br/>Algebra--Graphic methods