Elementary Mathematical Modeling :
Davis, Mary Ellen.
Elementary Mathematical Modeling : Functions and Graphs / Mary Ellen Davis, C. Henry Edwards. - Second - Upper Saddle River, NJ : Prentice Hall, c2007. - xii, 395 p. : ill. (some col.) ; 26 cm.
Elementary Mathematical Modeling : Functions and Graphs / Mary Ellen Davis, C. Henry Edwards. - Second - Upper Saddle River, NJ : Prentice Hall, c2007. - xii, 395 p. : ill. (some col.) ; 26 cm.