Demana, Franklin D., 1938- College algebra and trigonometry a graphing approach / Franklin demana, bert k. waits ; with the assitance of Alan osborne and gregory d. foley - 917 páginas ISBN: 020152810x Subjects--Topical Terms: Funciones (Matemáticas)Álgebra--Métodos gráficosTrigonometría LC Class. No.: QA331.3 / D45