Keywords: Basic Functions Answer 7.svg en Graphs of y x<sup>3</sup> + x blue y x<sup>3</sup> + 2x green y x<sup>3</sup> - x brown and y x<sup>3</sup> - 2x red compared against a dotted line grey for y x<sup>3</sup> own Adrignola 2010-11-18 High School Trigonometry |