Bronze is an alloy, or mixture, of copper and tin. The alloy initially contains 2 kg copper and 8 kg tin. You add x kg of copper to this 10 kg of a The concentration of copper in the alloy is a function of x: f(x) = Concentration of copper (a) Find a formula for f(x) The statements below correspond to questions (b) - (f): = (b) Evaluate f(0.7) = Which statement best explains the significance of this expression? A The concentration of the alloy after removing 0.7 kg of copper. B The amount of copper needed to be added/removed in order to have an alloy with a copper concentration of 70%. C The concentration of the alloy after removing 1.5 kg of copper. D The total amount of copper which can be removed in order for the alloy to become pure tin. E The total amount of the alloy you have if its concentration of copper is 70%. F The initial concentration of the alloy. G The concentration of the alloy after adding 0.7 kg of copper. H There is no such feature on the graph, so this has no physical meaning. (c) Evaluate f(0) = Which statement best explains the significance of this expression? (d) Evaluate f(-1.5) Which statement best explains the significance of this expression? - = (e) Evaluate f-¹(0.7) = Which statement best explains the significance of this expression? Total amount ofcopper Total amount of alloy (enter a letter of the statement A-H) (enter a letter of the statement A-H) (enter a letter of the statement A-H) (enter a letter of the statement A-H)