Smith, Karl.	 <br/><br/>
Precalculus mathematics: 	  a functional approach/ 
Karl Smith.-- 
 - 3rd ed. 
<br/><br/> College of Education  Bachelor of Secondary Education major in Mathematics 
<br/><br/><label>ISBN: </label>0-534-05232-0 
<br/><br/><label>Dewey Class. No.: </label>512.1 Sm51 ©1986