G(18,3) E(-4,-3) F Diagram 4.2 Rajah 4.2 (i) Determine the equation of the straight line EF. Tentukan persamaan garis lurus EF. [1 mark] [1 markah) (ii) Determine the equation of the straight line FG. Tentukan persamaan garis lurus FG. [3 marks [3 markah] (iii) Determine the y-axis of the straight line FG. Tentukan pintasan-y bagi garis lurus FG. [1 mark] [1 markah)