TY - BOOK AU - Swokowski,Earl William AU - Cole,Jeffery A. TI - Precalculus: functions and graphs SN - 9781305663091 (bookonly) U1 - 515 PY - 2017/// CY - USA PB - Cengage Learning KW - Functions KW - Algebra KW - Graphic methods KW - Trigonometry N1 - Includes index ER -