Larson, Ron, 1941- <br/><br/>
Precalculus : a graphing approach 

 - 5th ed. 
 - Boston  Houghton Mifflin  2008 
 - 876 p 
<br/><br/><label>ISBN: </label>978- 0- 618- 85463- 9 
<br/><br/><label>LC Class. No.: </label>QA 331.3 .L37/