(A)→(P), (S) U = 21​kx2 which is the equation of a parabola. (B)→(Q), (S) s = ut + 21​at2 (C)→(S) Range = gv2​ sin 2θ which is a parabola that passes through the origin. (D)→(Q) T2 = g4π2l​ which is the equation of straight line that passes through the origin.