Which of the following sets are convex sets ? )((x,y)| y = *} (i) (x,y)|ys|*|} (ii) ((x,y)|y2x) (a) (i) only (b) (i) and (i) only (c) ) and (iii) only d) (ii) a

Which of the following sets are convex sets ? )((x,y)| y = *} (i) (x,y)|ys|*|} (ii) ((x,y)|y2x) (A) (i) only (B) (i) and (i) only (C) ) and (iii) only D) (ii) and (ii) only