Soaring 21st century mathematics:  precalculus: grade 11/ 
Simon L. Chua [and four others] 
 - Quezon City:  Phoenix,  2016. 
 - v, 60 pages:  illustrations;  26 cm. 
<br/><br/><label>ISBN: </label>9789710639281 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>SH Fil QA 43 .S66 2016