Pls pls pls pls pls help me

Guys plz and say a best answer i will give 15 points how we should prepare for a scholarship exam

Which labels do x and y represent? x: scattered bundles y: multiples of four or five x: scattered bundles y: multiples of three x: bundles in a ring y: multiples of four or five x: bundles in a ring y: multiples of three

D/dx(1+x^4+x^6/x^2+x+1) a)2x-1 b)2x+1 c)2 d)0