Precalculus 
Safier, Fred 
 - 4th Ed. 
 - New York: McGraw-Hill Education  2020 
 - x, 402p. ; 27.6cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9781260454208 
<br/><br/><label>Dewey Class. No.: </label>C 512.1 Sa128 2020