Precalculus:   a graphing approach,  

 - 4e. 
 - xvi, 832p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780618394664 - HB 
<br/><br/><label>Subjects--Topical Terms: </label>--a graphing approach--Precalculus -